| | 2009 | | | Rank | Provinces | case | | 1 | Phrae | 3 | | 2 | Nan | 4 | | 3 | Nakhon Nayok | 6 | | 4 | Sing Buri | 7 | | 5 | Pattani | 8 | | 6 | Sukhothai | 8 | | 7 | Amnat Charoen | 9 | | 8 | Phayao | 9 | | 9 | Uthai Thani | 9 | | 10 | Yala | 9 | | | Whole Kingdom | 3,674 |
| | | 2010 | | | Rank | Provinces | case | | 1 | Mae Hong Son | 4 | | 2 | Samut Songkhram | 6 | | 3 | Nong Bua Lam Phu | 8 | | 4 | Pangnga | 9 | | 5 | Sing Buri | 11 | | 6 | Nakhon Nayok | 12 | | 7 | Tak | 12 | | 8 | Krabi | 13 | | 9 | Mukdahan | 13 | | 10 | Satun | 13 | | 11 | Uthai Thani | 13 | | 12 | Uttaradit | 13 | | | Whole Kingdom | 3,748 |
| | | 2011 | | | Rank | Provinces | case | | 1 | Bueng Kan | 1 | | 2 | Chai Nat | 3 | | 3 | Narathiwat | 3 | | 4 | Nong Bua Lam Phu | 3 | | 5 | Pangnga | 3 | | 6 | Sing Buri | 4 | | 7 | Mae Hong Son | 5 | | 8 | Uttaradit | 5 | | 9 | Ang Thong | 6 | | 10 | Mukdahan | 6 | | 11 | Trat | 6 | | | Whole Kingdom | 2,216 |
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