| | 2004 | | | Rank | Provinces | case | | 1 | Ang Thong | 0 | | 2 | Loei | 0 | | 3 | Mae Hong Son | 0 | | 4 | Mukdahan | 0 | | 5 | Nan | 0 | | 6 | Narathiwat | 0 | | 7 | Nong Khai | 0 | | 8 | Phayao | 0 | | 9 | Phetchabun | 0 | | 10 | Phichit | 0 | | 11 | Phrae | 0 | | 12 | Prachuap Khiri Khan | 0 | | 13 | Ranong | 0 | | 14 | Samut Songkhram | 0 | | 15 | Satun | 0 | | 16 | Sukhothai | 0 | | 17 | Surin | 0 | | 18 | Trat | 0 | | 19 | Uttaradit | 0 | | | Whole Kingdom | 190 |
| | | 2005 | | | Rank | Provinces | case | | 1 | Amnat Charoen | 0 | | 2 | Buri Ram | 0 | | 3 | Kamphaeng Phet | 0 | | 4 | Kanchana Buri | 0 | | 5 | Mae Hong Son | 0 | | 6 | Mukdahan | 0 | | 7 | Nakhon Phanom | 0 | | 8 | Nan | 0 | | 9 | Nong Khai | 0 | | 10 | Pangnga | 0 | | 11 | Pattani | 0 | | 12 | Phayao | 0 | | 13 | Phetcha Buri | 0 | | 14 | Phrae | 0 | | 15 | Prachuap Khiri Khan | 0 | | 16 | Ranong | 0 | | 17 | Sakon Nakhon | 0 | | 18 | Samut Songkhram | 0 | | 19 | Satun | 0 | | 20 | Sing Buri | 0 | | 21 | Yala | 0 | | 22 | Yasothon | 0 | | | Whole Kingdom | 187 |
| | | 2006 | | | Rank | Provinces | case | | 1 | Amnat Charoen | 0 | | 2 | Buri Ram | 0 | | 3 | Chaiyaphum | 0 | | 4 | Lampang | 0 | | 5 | Lamphun | 0 | | 6 | Mae Hong Son | 0 | | 7 | Maha Sarakham | 0 | | 8 | Mukdahan | 0 | | 9 | Nakhon Nayok | 0 | | 10 | Nan | 0 | | 11 | Narathiwat | 0 | | 12 | Pangnga | 0 | | 13 | Phetcha Buri | 0 | | 14 | Phetchabun | 0 | | 15 | Phrae | 0 | | 16 | Roi Et | 0 | | 17 | Sakon Nakhon | 0 | | 18 | Sing Buri | 0 | | 19 | Sukhothai | 0 | | 20 | Trat | 0 | | 21 | Yasothon | 0 | | | Whole Kingdom | 185 |
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