prefecture  city / town   high school name year of previous participation  total number of participation
0    hokkaido      obihiro      obihiro otani                          n / a                              1
1    hokkaido        otaru            hokusho                           2009                              3
2      aomori     hirosaki              seiai                          n / a                              1
3       iwate     hanamaki   hanamaki higashi                           2010                              7
4       akita        akita       akita shogyo                           2010                             17
5    yamagata     yamagata  nichidai yamagata                           2006                             16
6      miyagi       sendai       sendai ikuei                           2012                             24
7   fukushima         date      seikou gakuin                           2012                             10
8     ibaraki    tsuchiura        joso gakuin                           2012                             15
9     tochigi   utsunomiya    sakushin gakuin                           2012                              9
10      gunma     maebashi     maebashi ikuei                          n / a                              1
11    saitama      saitama       urawa gakuin                           2012                             12
12      chiba     kisarazu       kisarazusogo                           2012                              4
13      tokyo   katsushika            shutoku                           2004                              5
14      tokyo      machida     nichidai - san                           2012                             16
15   kanagawa     yokohama           yokohama                           2012                             15
16  yamanashi    yamanashi             hikawa                           2009                              4
17    niigata      niigata        nihon bunri                           2010                              7
18     nagano         ueda         ueda nishi                          n / a                              1
19     toyama       toyama     toyama daiichi                          n / a                              1
20   ishikawa     kanazawa             seiryo                           2006                             16
21      fukui        fukui       fukui shogyo                           2010                             22
22   shizouka     kikugawa    tokoha kikugawa                           2007                              4
23      aichi       nagoya     aikodai meiden                           2012                             11
24       gifu        ogaki     ogaki nichidai                           2006                              2
25        mie    matsusaka                mie                           2008                             11
26      shiga       hikone     hikone higashi                          n / a                              1
27      kyoto  fukuchiyama  fukuchiyama seibi                           2007                              4
28       nara      sakurai            sakurai                          n / a                              1
29      osaka        daito         osaka toin                           2012                              7
30      hyogo    nishiwaki    nishiwaki kogyo                          n / a                              1
31   wakayama        arida          minoshima                           1982                              8
32    okayama       tamano       tamano konan                           2001                              3
33  hiroshima    hiroshima           setouchi                           1999                              2
34    tottori      tottori     tottori johoku                           2012                              3
35    shimane        gotsu    iwami chisyukan                           2004                              8
36  yamaguchi      iwakuni     iwakuni shogyo                           1985                              4
37     kagawa     marugame           marugame                           1999                              4
38  tokushima       naruto             naruto                           2012                              8
39      ehime    matsuyama              saibi                           2007                              4
40     kouchi       susaki     meitoku gijuku                           2012                             15
41    fukuoka   kitakyushu         jiyuugaoka                          n / a                              1
42       saga        arita        arita kogyo                          n / a                              1
43   nagasaki       sasebo    sasebo jitsugyo                           2010                              5
44   kumamoto     kumamoto     kumamoto kogyo                           2008                             20
45       oita         oita        oita shogyo                           1996                             15
46   miyazaki      nobeoka     nobeoka gakuen                           2009                              7
47  kagoshima    kagoshima             shonan                           2008                             18

Table as JSON:
{"prefecture":{"0":"hokkaido","1":"hokkaido","2":"aomori","3":"iwate","4":"akita","5":"yamagata","6":"miyagi","7":"fukushima","8":"ibaraki","9":"tochigi","10":"gunma","11":"saitama","12":"chiba","13":"tokyo","14":"tokyo","15":"kanagawa","16":"yamanashi","17":"niigata","18":"nagano","19":"toyama","20":"ishikawa","21":"fukui","22":"shizouka","23":"aichi","24":"gifu","25":"mie","26":"shiga","27":"kyoto","28":"nara","29":"osaka","30":"hyogo","31":"wakayama","32":"okayama","33":"hiroshima","34":"tottori","35":"shimane","36":"yamaguchi","37":"kagawa","38":"tokushima","39":"ehime","40":"kouchi","41":"fukuoka","42":"saga","43":"nagasaki","44":"kumamoto","45":"oita","46":"miyazaki","47":"kagoshima"},"city \/ town":{"0":"obihiro","1":"otaru","2":"hirosaki","3":"hanamaki","4":"akita","5":"yamagata","6":"sendai","7":"date","8":"tsuchiura","9":"utsunomiya","10":"maebashi","11":"saitama","12":"kisarazu","13":"katsushika","14":"machida","15":"yokohama","16":"yamanashi","17":"niigata","18":"ueda","19":"toyama","20":"kanazawa","21":"fukui","22":"kikugawa","23":"nagoya","24":"ogaki","25":"matsusaka","26":"hikone","27":"fukuchiyama","28":"sakurai","29":"daito","30":"nishiwaki","31":"arida","32":"tamano","33":"hiroshima","34":"tottori","35":"gotsu","36":"iwakuni","37":"marugame","38":"naruto","39":"matsuyama","40":"susaki","41":"kitakyushu","42":"arita","43":"sasebo","44":"kumamoto","45":"oita","46":"nobeoka","47":"kagoshima"},"high school name":{"0":"obihiro otani","1":"hokusho","2":"seiai","3":"hanamaki higashi","4":"akita shogyo","5":"nichidai yamagata","6":"sendai ikuei","7":"seikou gakuin","8":"joso gakuin","9":"sakushin gakuin","10":"maebashi ikuei","11":"urawa gakuin","12":"kisarazusogo","13":"shutoku","14":"nichidai - san","15":"yokohama","16":"hikawa","17":"nihon bunri","18":"ueda nishi","19":"toyama daiichi","20":"seiryo","21":"fukui shogyo","22":"tokoha kikugawa","23":"aikodai meiden","24":"ogaki nichidai","25":"mie","26":"hikone higashi","27":"fukuchiyama seibi","28":"sakurai","29":"osaka toin","30":"nishiwaki kogyo","31":"minoshima","32":"tamano konan","33":"setouchi","34":"tottori johoku","35":"iwami chisyukan","36":"iwakuni shogyo","37":"marugame","38":"naruto","39":"saibi","40":"meitoku gijuku","41":"jiyuugaoka","42":"arita kogyo","43":"sasebo jitsugyo","44":"kumamoto kogyo","45":"oita shogyo","46":"nobeoka gakuen","47":"shonan"},"year of previous participation":{"0":"n \/ a","1":"2009","2":"n \/ a","3":"2010","4":"2010","5":"2006","6":"2012","7":"2012","8":"2012","9":"2012","10":"n \/ a","11":"2012","12":"2012","13":"2004","14":"2012","15":"2012","16":"2009","17":"2010","18":"n \/ a","19":"n \/ a","20":"2006","21":"2010","22":"2007","23":"2012","24":"2006","25":"2008","26":"n \/ a","27":"2007","28":"n \/ a","29":"2012","30":"n \/ a","31":"1982","32":"2001","33":"1999","34":"2012","35":"2004","36":"1985","37":"1999","38":"2012","39":"2007","40":"2012","41":"n \/ a","42":"n \/ a","43":"2010","44":"2008","45":"1996","46":"2009","47":"2008"},"total number of participation":{"0":1,"1":3,"2":1,"3":7,"4":17,"5":16,"6":24,"7":10,"8":15,"9":9,"10":1,"11":12,"12":4,"13":5,"14":16,"15":15,"16":4,"17":7,"18":1,"19":1,"20":16,"21":22,"22":4,"23":11,"24":2,"25":11,"26":1,"27":4,"28":1,"29":7,"30":1,"31":8,"32":3,"33":2,"34":3,"35":8,"36":4,"37":4,"38":8,"39":4,"40":15,"41":1,"42":1,"43":5,"44":20,"45":15,"46":7,"47":18}}