diff --git a/data/2024-12.csv b/data/2024-12.csv
index 304eafb..431ff18 100644
--- a/data/2024-12.csv
+++ b/data/2024-12.csv
@@ -1062,3 +1062,93 @@ _id,month,town,flat_type,block,street_name,storey_range,floor_area_sqm,flat_mode
 196030,2024-12,YISHUN,4 ROOM,437,YISHUN AVE 6,10 TO 12,84.0,Simplified,1988,62 years 10 months,470000.0,437 YISHUN AVE 6,760437,1.42168752611672,103.84756072452
 196032,2024-12,YISHUN,4 ROOM,247,YISHUN AVE 9,10 TO 12,84.0,Simplified,1985,59 years 10 months,475000.0,247 YISHUN AVE 9,760247,1.43499780616096,103.842069242281
 196051,2024-12,YISHUN,4 ROOM,727,YISHUN ST 71,04 TO 06,84.0,Simplified,1985,60 years,490000.0,727 YISHUN ST 71,760727,1.42621011729954,103.831240144634
+194904,2024-12,ANG MO KIO,3 ROOM,403,ANG MO KIO AVE 10,07 TO 09,67.0,New Generation,1979,53 years 06 months,430000.0,403 ANG MO KIO AVE 10,560403,1.36126901451361,103.854642365822
+194905,2024-12,ANG MO KIO,3 ROOM,541,ANG MO KIO AVE 10,04 TO 06,82.0,New Generation,1981,55 years 02 months,475000.0,541 ANG MO KIO AVE 10,560541,1.37392239168826,103.855621371068
+194910,2024-12,ANG MO KIO,3 ROOM,121,ANG MO KIO AVE 3,01 TO 03,67.0,New Generation,1978,52 years 11 months,400000.0,121 ANG MO KIO AVE 3,560121,1.36970563478325,103.843515981311
+194961,2024-12,BEDOK,3 ROOM,20,CHAI CHEE RD,01 TO 03,65.0,Improved,1972,46 years 08 months,378800.0,20 CHAI CHEE RD,461020,1.32627271243233,103.922885287154
+195009,2024-12,BISHAN,4 ROOM,292,BISHAN ST 22,10 TO 12,100.0,Premium Apartment,1998,72 years 07 months,920000.0,292 BISHAN ST 22,570292,1.35601736515828,103.845668085918
+195014,2024-12,BISHAN,4 ROOM,308,SHUNFU RD,01 TO 03,92.0,New Generation,1984,59 years 01 month,688000.0,308 SHUNFU RD,570308,1.35058252902296,103.837846846026
+195017,2024-12,BISHAN,5 ROOM,102,BISHAN ST 12,01 TO 03,121.0,Improved,1987,61 years 02 months,900000.0,102 BISHAN ST 12,570102,1.3451431233477,103.847990805259
+195055,2024-12,BUKIT BATOK,3 ROOM,179,BT BATOK WEST AVE 8,04 TO 06,67.0,New Generation,1985,59 years 02 months,400000.0,179 BT BATOK WEST AVE 8,650179,1.34581228622891,103.742210249553
+195061,2024-12,BUKIT BATOK,4 ROOM,296B,BT BATOK ST 22,07 TO 09,92.0,Premium Apartment,2018,92 years 04 months,760025.0,296B BT BATOK ST 22,652296,1.34369381417078,103.747356802144
+195065,2024-12,BUKIT BATOK,4 ROOM,349,BT BATOK ST 34,04 TO 06,104.0,Model A,1987,61 years 03 months,515000.0,349 BT BATOK ST 34,650349,1.36209582624362,103.749579951698
+195081,2024-12,BUKIT BATOK,4 ROOM,451B,BT BATOK WEST AVE 6,04 TO 06,93.0,Model A,2019,93 years 04 months,610000.0,451B BT BATOK WEST AVE 6,652451,1.35248381356888,103.743414725495
+195090,2024-12,BUKIT BATOK,4 ROOM,443A,BT BATOK WEST AVE 8,01 TO 03,92.0,Model A,2019,93 years 04 months,600000.0,443A BT BATOK WEST AVE 8,651443,1.35653277301058,103.737760469396
+195091,2024-12,BUKIT BATOK,4 ROOM,461A,BT BATOK WEST AVE 8,07 TO 09,93.0,Model A,2019,93 years 10 months,665000.0,461A BT BATOK WEST AVE 8,651461,1.35492017502696,103.739973160067
+195092,2024-12,BUKIT BATOK,4 ROOM,449A,BT BATOK WEST AVE 9,13 TO 15,93.0,Model A,2019,93 years 05 months,650000.0,449A BT BATOK WEST AVE 9,651449,1.35234861922854,103.74151018118
+195101,2024-12,BUKIT BATOK,5 ROOM,437A,BT BATOK WEST AVE 5,07 TO 09,113.0,Improved,2020,94 years 03 months,800000.0,437A BT BATOK WEST AVE 5,651437,1.35817033364294,103.739219664469
+195102,2024-12,BUKIT BATOK,5 ROOM,111,BT BATOK WEST AVE 6,04 TO 06,132.0,Model A,1985,59 years 04 months,700000.0,111 BT BATOK WEST AVE 6,650111,1.34840644346954,103.745994934101
+195106,2024-12,BUKIT BATOK,5 ROOM,439C,BT BATOK WEST AVE 8,10 TO 12,113.0,Improved,2020,94 years 03 months,815000.0,439C BT BATOK WEST AVE 8,653439,1.35762861295926,103.738857524407
+195107,2024-12,BUKIT BATOK,5 ROOM,446A,BT BATOK WEST AVE 8,04 TO 06,112.0,Improved,2019,93 years 02 months,820000.0,446A BT BATOK WEST AVE 8,651446,1.35038381956263,103.739194582058
+195108,2024-12,BUKIT BATOK,EXECUTIVE,122,BT BATOK CTRL,04 TO 06,145.0,Apartment,1985,59 years 07 months,874888.0,122 BT BATOK CTRL,650122,1.35204347678175,103.746952273416
+195114,2024-12,BUKIT MERAH,3 ROOM,112,BT PURMEI RD,04 TO 06,74.0,Model A,1985,59 years 04 months,492000.0,112 BT PURMEI RD,90112,1.27446978425392,103.825878114028
+195136,2024-12,BUKIT MERAH,4 ROOM,52,HAVELOCK RD,19 TO 21,91.0,Model A,2013,87 years 06 months,1050000.0,52 HAVELOCK RD,161052,1.28951776036854,103.828467082634
+195137,2024-12,BUKIT MERAH,4 ROOM,95A,HENDERSON RD,10 TO 12,83.0,Model A,2019,93 years 06 months,973000.0,95A HENDERSON RD,151095,1.28649254110004,103.82143358771
+195142,2024-12,BUKIT MERAH,4 ROOM,47,LENGKOK BAHRU,10 TO 12,103.0,Model A,1984,58 years 08 months,700000.0,47 LENGKOK BAHRU,151047,1.28715147473337,103.811832692492
+195148,2024-12,BUKIT MERAH,4 ROOM,59,TELOK BLANGAH HTS,04 TO 06,91.0,New Generation,1976,50 years 10 months,600000.0,59 TELOK BLANGAH HTS,100059,1.2753534329115,103.813588303131
+195150,2024-12,BUKIT MERAH,4 ROOM,80A,TELOK BLANGAH ST 31,13 TO 15,95.0,Premium Apartment,2013,87 years 09 months,995000.0,80A TELOK BLANGAH ST 31,101080,1.27368173970143,103.806579408022
+195157,2024-12,BUKIT MERAH,5 ROOM,121A,KIM TIAN PL,07 TO 09,115.0,Improved,2001,75 years 03 months,1090000.0,121A KIM TIAN PL,161121,1.28265068056025,103.828178493453
+195159,2024-12,BUKIT PANJANG,3 ROOM,106,GANGSA RD,04 TO 06,73.0,Model A,1988,62 years 03 months,380000.0,106 GANGSA RD,670106,1.3779019997366,103.767412279054
+195161,2024-12,BUKIT PANJANG,3 ROOM,227,PENDING RD,07 TO 09,73.0,Model A,1989,63 years 03 months,441888.0,227 PENDING RD,670227,1.37495963279539,103.771466478176
+195163,2024-12,BUKIT PANJANG,3 ROOM,550A,SEGAR RD,16 TO 18,67.0,Model A,2015,90 years 01 month,512888.0,550A SEGAR RD,671550,1.38911206246444,103.767301515652
+195169,2024-12,BUKIT PANJANG,4 ROOM,407,FAJAR RD,10 TO 12,84.0,Simplified,1989,63 years 02 months,485000.0,407 FAJAR RD,670407,1.38144471081245,103.768305890206
+195186,2024-12,BUKIT PANJANG,4 ROOM,614,SENJA RD,01 TO 03,90.0,Model A,2002,76 years 05 months,505000.0,614 SENJA RD,670614,1.38454850292013,103.760865902822
+195187,2024-12,BUKIT PANJANG,4 ROOM,623,SENJA RD,04 TO 06,90.0,Model A,2001,76 years 01 month,516888.0,623 SENJA RD,670623,1.38625610118184,103.762201338577
+195199,2024-12,BUKIT PANJANG,5 ROOM,656,SENJA RD,13 TO 15,110.0,Premium Apartment,2001,75 years 10 months,715000.0,656 SENJA RD,670656,1.38761134448697,103.764588708773
+195226,2024-12,CHOA CHU KANG,4 ROOM,489C,CHOA CHU KANG AVE 5,01 TO 03,93.0,Model A,2016,90 years 07 months,540000.0,489C CHOA CHU KANG AVE 5,683489,1.37605683547385,103.739806181184
+195236,2024-12,CHOA CHU KANG,4 ROOM,615,CHOA CHU KANG ST 62,07 TO 09,108.0,Model A,1996,70 years 07 months,580000.0,615 CHOA CHU KANG ST 62,680615,1.40089907208214,103.744889705072
+195243,2024-12,CHOA CHU KANG,5 ROOM,296E,CHOA CHU KANG AVE 2,01 TO 03,122.0,Premium Apartment,1999,73 years 08 months,610000.0,296E CHOA CHU KANG AVE 2,685296,1.37691701980975,103.743047128967
+195245,2024-12,CHOA CHU KANG,5 ROOM,453,CHOA CHU KANG AVE 4,07 TO 09,123.0,Premium Apartment,2000,74 years 03 months,619000.0,453 CHOA CHU KANG AVE 4,680453,1.37997802767876,103.73490597126
+195266,2024-12,CLEMENTI,3 ROOM,426,CLEMENTI AVE 3,04 TO 06,67.0,New Generation,1978,52 years 06 months,450000.0,426 CLEMENTI AVE 3,120426,1.31158040643011,103.764211279777
+195273,2024-12,CLEMENTI,4 ROOM,349,CLEMENTI AVE 2,07 TO 09,92.0,New Generation,1978,52 years 10 months,555000.0,349 CLEMENTI AVE 2,120349,1.31595863810442,103.771054408276
+195276,2024-12,CLEMENTI,4 ROOM,113,CLEMENTI ST 13,13 TO 15,107.0,Model A,1984,58 years 11 months,770000.0,113 CLEMENTI ST 13,120113,1.32368401078529,103.77013234931
+195297,2024-12,GEYLANG,4 ROOM,18D,CIRCUIT RD,13 TO 15,93.0,Model A,2016,91 years,990000.0,18D CIRCUIT RD,374018,1.32940434763773,103.889196979567
+195313,2024-12,HOUGANG,3 ROOM,121,HOUGANG AVE 1,04 TO 06,67.0,New Generation,1982,56 years 07 months,400000.0,121 HOUGANG AVE 1,530121,1.3538605933002,103.886936534381
+195332,2024-12,HOUGANG,4 ROOM,165,HOUGANG AVE 1,07 TO 09,92.0,Model A2,1997,72 years,585000.0,165 HOUGANG AVE 1,530165,1.3502542591897,103.887795306397
+195352,2024-12,HOUGANG,5 ROOM,238,HOUGANG AVE 1,01 TO 03,138.0,Model A-Maisonette,1984,58 years 09 months,915000.0,238 HOUGANG AVE 1,530238,1.35714409402773,103.888970066565
+195363,2024-12,HOUGANG,EXECUTIVE,533,HOUGANG AVE 6,07 TO 09,145.0,Maisonette,1988,62 years 04 months,978000.0,533 HOUGANG AVE 6,530533,1.37583341032049,103.891885076183
+195372,2024-12,JURONG EAST,3 ROOM,39,TEBAN GDNS RD,04 TO 06,67.0,Improved,1966,40 years 11 months,335000.0,39 TEBAN GDNS RD,600039,1.32136881127061,103.742845114726
+195378,2024-12,JURONG EAST,4 ROOM,21,TEBAN GDNS RD,07 TO 09,92.0,Model A,2013,87 years 10 months,590000.0,21 TEBAN GDNS RD,600021,1.32368064923943,103.739156156511
+195379,2024-12,JURONG EAST,4 ROOM,22,TEBAN GDNS RD,13 TO 15,92.0,Model A,2013,87 years 10 months,600000.0,22 TEBAN GDNS RD,600022,1.32277239024452,103.739714299254
+195383,2024-12,JURONG EAST,EXECUTIVE,287B,JURONG EAST ST 21,13 TO 15,144.0,Apartment,1998,73 years,1080000.0,287B JURONG EAST ST 21,602287,1.3384592408032,103.744222152985
+195387,2024-12,JURONG WEST,2 ROOM,698A,JURONG WEST CTRL 3,01 TO 03,47.0,Model A,2017,91 years 11 months,358000.0,698A JURONG WEST CTRL 3,641698,1.341091607667,103.708023659485
+195415,2024-12,JURONG WEST,4 ROOM,475,JURONG WEST ST 41,07 TO 09,102.0,Model A,1984,58 years 10 months,505000.0,475 JURONG WEST ST 41,640475,1.34809804107273,103.725087226378
+195434,2024-12,JURONG WEST,4 ROOM,327,TAH CHING RD,07 TO 09,103.0,Model A,1997,71 years 09 months,550088.0,327 TAH CHING RD,610327,1.33615146757288,103.722633358102
+195471,2024-12,KALLANG/WHAMPOA,3 ROOM,4,JLN BATU,01 TO 03,60.0,Standard,1969,43 years 02 months,315000.0,4 JLN BATU,431004,1.30186342536084,103.884045467548
+195478,2024-12,KALLANG/WHAMPOA,3 ROOM,467,NTH BRIDGE RD,13 TO 15,68.0,Improved,1978,52 years 11 months,500000.0,467 NTH BRIDGE RD,190467,1.30522205395223,103.862906450772
+195490,2024-12,KALLANG/WHAMPOA,4 ROOM,113C,MCNAIR RD,22 TO 24,93.0,Premium Apartment,2017,92 years 01 month,1125000.0,113C MCNAIR RD,324113,1.32088235344697,103.860331710143
+195499,2024-12,MARINE PARADE,3 ROOM,65,MARINE DR,07 TO 09,76.0,Improved,1976,50 years 04 months,482000.0,65 MARINE DR,440065,1.30340547617434,103.909734447292
+195545,2024-12,PUNGGOL,3 ROOM,624C,PUNGGOL CTRL,01 TO 03,69.0,Model A,2014,88 years 05 months,495000.0,624C PUNGGOL CTRL,823624,1.40049144817147,103.911982951019
+195552,2024-12,PUNGGOL,3 ROOM,221B,SUMANG LANE,13 TO 15,68.0,Model A,2018,93 years 01 month,510888.0,221B SUMANG LANE,822221,1.40102194426632,103.895064879651
+195561,2024-12,PUNGGOL,4 ROOM,673C,EDGEFIELD PLAINS,04 TO 06,90.0,Model A,2015,90 years 01 month,588000.0,673C EDGEFIELD PLAINS,823673,1.40722159434779,103.910591907295
+195573,2024-12,PUNGGOL,4 ROOM,642B,PUNGGOL DR,10 TO 12,91.0,Premium Apartment,2005,79 years 02 months,613000.0,642B PUNGGOL DR,822642,1.39828453335364,103.916255328466
+195577,2024-12,PUNGGOL,4 ROOM,270A,PUNGGOL FIELD,04 TO 06,93.0,Premium Apartment,2013,87 years 02 months,728000.0,270A PUNGGOL FIELD,821270,1.40397950121026,103.899454945441
+195586,2024-12,PUNGGOL,4 ROOM,305B,PUNGGOL RD,10 TO 12,92.0,Premium Apartment,2012,86 years 08 months,740000.0,305B PUNGGOL RD,822305,1.40535191898422,103.906250675312
+195618,2024-12,PUNGGOL,5 ROOM,289C,PUNGGOL PL,04 TO 06,111.0,Premium Apartment,2013,87 years 04 months,850000.0,289C PUNGGOL PL,823289,1.40154924105211,103.903519454156
+195667,2024-12,SEMBAWANG,4 ROOM,490,ADMIRALTY LINK,01 TO 03,94.0,Model A,2010,84 years 09 months,525000.0,490 ADMIRALTY LINK,750490,1.45529973571916,103.817240683169
+195688,2024-12,SEMBAWANG,4 ROOM,129C,CANBERRA ST,13 TO 15,93.0,Model A,2018,92 years 11 months,750000.0,129C CANBERRA ST,753129,1.44420165808041,103.833186562603
+195692,2024-12,SEMBAWANG,4 ROOM,115A,CANBERRA WALK,07 TO 09,93.0,Model A,2018,92 years 08 months,686000.0,115A CANBERRA WALK,751115,1.44662215217976,103.829140768756
+195750,2024-12,SENGKANG,4 ROOM,209A,COMPASSVALE LANE,13 TO 15,92.0,Model A,2011,86 years,688000.0,209A COMPASSVALE LANE,541209,1.38359765453194,103.898502660861
+195758,2024-12,SENGKANG,4 ROOM,265B,COMPASSVALE LINK,01 TO 03,92.0,Premium Apartment,2008,82 years 07 months,600000.0,265B COMPASSVALE LINK,542265,1.38213716574566,103.895742316336
+195764,2024-12,SENGKANG,4 ROOM,418C,FERNVALE LINK,04 TO 06,94.0,Model A,2018,92 years 08 months,652000.0,418C FERNVALE LINK,793418,1.39095014768306,103.881014689387
+195790,2024-12,SENGKANG,4 ROOM,450A,SENGKANG WEST WAY,22 TO 24,92.0,Model A,2014,88 years 08 months,690000.0,450A SENGKANG WEST WAY,791450,1.39446814841577,103.873506723327
+195805,2024-12,SENGKANG,5 ROOM,206D,COMPASSVALE LANE,10 TO 12,122.0,Improved,1999,73 years 10 months,722888.0,206D COMPASSVALE LANE,544206,1.38696771906197,103.897260059685
+195816,2024-12,SENGKANG,5 ROOM,158C,RIVERVALE CRES,07 TO 09,110.0,Premium Apartment,2003,77 years 09 months,625000.0,158C RIVERVALE CRES,543158,1.38818825958938,103.907145829717
+195818,2024-12,SENGKANG,5 ROOM,186C,RIVERVALE DR,13 TO 15,110.0,Improved,2001,75 years 02 months,628000.0,186C RIVERVALE DR,543186,1.39286345501083,103.905070419158
+195881,2024-12,TAMPINES,4 ROOM,869A,TAMPINES AVE 8,16 TO 18,92.0,Model A,2015,89 years 07 months,765000.0,869A TAMPINES AVE 8,521869,1.35501799093941,103.93231742743
+195905,2024-12,TAMPINES,4 ROOM,283,TAMPINES ST 22,04 TO 06,103.0,Model A,1984,58 years 10 months,598000.0,283 TAMPINES ST 22,520283,1.34862955734174,103.952853471968
+195912,2024-12,TAMPINES,4 ROOM,487B,TAMPINES ST 45,04 TO 06,105.0,Model A,1989,64 years,600000.0,487B TAMPINES ST 45,521487,1.36026524882674,103.958372350188
+195918,2024-12,TAMPINES,4 ROOM,706,TAMPINES ST 71,04 TO 06,99.0,Model A,1997,71 years 08 months,690000.0,706 TAMPINES ST 71,520706,1.35750385698395,103.937559746526
+195920,2024-12,TAMPINES,4 ROOM,888A,TAMPINES ST 81,01 TO 03,104.0,Model A,1989,63 years 03 months,625000.0,888A TAMPINES ST 81,521888,1.35048494954503,103.930912572366
+195930,2024-12,TAMPINES,5 ROOM,520B,TAMPINES CTRL 8,04 TO 06,108.0,DBSS,2014,88 years 07 months,955000.0,520B TAMPINES CTRL 8,522520,1.35726635061626,103.939665206968
+195955,2024-12,TAMPINES,EXECUTIVE,894,TAMPINES ST 81,04 TO 06,149.0,Maisonette,1989,63 years 02 months,980000.0,894 TAMPINES ST 81,520894,1.34860420057258,103.931922138374
+195966,2024-12,TOA PAYOH,3 ROOM,66,LOR 4 TOA PAYOH,04 TO 06,64.0,Standard,1969,43 years 02 months,356000.0,66 LOR 4 TOA PAYOH,310066,1.3350133256365,103.851778402294
+195970,2024-12,TOA PAYOH,3 ROOM,108,POTONG PASIR AVE 1,10 TO 12,74.0,Model A,1984,58 years 08 months,588000.0,108 POTONG PASIR AVE 1,350108,1.33472004322162,103.867928446438
+195995,2024-12,TOA PAYOH,EXECUTIVE,254,KIM KEAT AVE,04 TO 06,146.0,Maisonette,1989,63 years 02 months,1038888.0,254 KIM KEAT AVE,310254,1.33173315408576,103.858329268353
+196024,2024-12,WOODLANDS,4 ROOM,603,WOODLANDS DR 42,01 TO 03,100.0,Model A,1997,71 years 05 months,535000.0,603 WOODLANDS DR 42,730603,1.43757277585058,103.796414103464
+196032,2024-12,WOODLANDS,4 ROOM,889D,WOODLANDS DR 50,07 TO 09,93.0,Model A,2017,91 years 08 months,659000.0,889D WOODLANDS DR 50,734889,1.43778127256862,103.792079496533
+196036,2024-12,WOODLANDS,4 ROOM,683B,WOODLANDS DR 62,07 TO 09,101.0,Premium Apartment,2000,74 years 03 months,600000.0,683B WOODLANDS DR 62,732683,1.44099752205788,103.802849645543
+196096,2024-12,WOODLANDS,EXECUTIVE,797,WOODLANDS DR 72,01 TO 03,141.0,Maisonette,1997,71 years 11 months,820000.0,797 WOODLANDS DR 72,730797,1.44365656317263,103.803047711815
+196147,2024-12,YISHUN,4 ROOM,253,YISHUN RING RD,01 TO 03,84.0,Simplified,1985,59 years 03 months,475000.0,253 YISHUN RING RD,760253,1.43507473889027,103.840795048444
+196150,2024-12,YISHUN,4 ROOM,449,YISHUN RING RD,01 TO 03,92.0,Model A,2012,86 years 09 months,550000.0,449 YISHUN RING RD,760449,1.42260229629233,103.844247701105
+196169,2024-12,YISHUN,4 ROOM,755,YISHUN ST 72,04 TO 06,84.0,Simplified,1986,61 years,505000.0,755 YISHUN ST 72,760755,1.42707820696356,103.832706088136
diff --git a/data/df.parquet b/data/df.parquet
index dabdda2..74f93ee 100644
Binary files a/data/df.parquet and b/data/df.parquet differ
diff --git a/data/metadata b/data/metadata
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--- a/data/metadata
+++ b/data/metadata
@@ -1 +1 @@
-1734656409
+1734915684