| | 2009 | | | Rank | Provinces | case | | 1 | Lampang | 0 | | 2 | Mae Hong Son | 0 | | 3 | Nakhon Phanom | 0 | | 4 | Nan | 0 | | 5 | Phrae | 0 | | 6 | Ranong | 1 | | 7 | Yasothon | 1 | | 8 | Amnat Charoen | 2 | | 9 | Chai Nat | 2 | | 10 | Kalasin | 2 | | 11 | Narathiwat | 2 | | 12 | Pangnga | 2 | | 13 | Pattani | 2 | | 14 | Phayao | 2 | | 15 | Sa Kaeo | 2 | | 16 | Sakon Nakhon | 2 | | 17 | Surin | 2 | | 18 | Yala | 2 | | | Whole Kingdom | 3,043 |
| | | 2010 | | | Rank | Provinces | case | | 1 | Nakhon Phanom | 0 | | 2 | Mae Hong Son | 1 | | 3 | Pattani | 1 | | 4 | Phrae | 1 | | 5 | Chaiyaphum | 2 | | 6 | Phichit | 2 | | 7 | Uttaradit | 2 | | 8 | Buri Ram | 3 | | 9 | Mukdahan | 3 | | 10 | Nong Bua Lam Phu | 3 | | 11 | Phayao | 3 | | 12 | Ranong | 3 | | 13 | Si Sa Ket | 3 | | | Whole Kingdom | 2,601 |
| | | 2011 | | | Rank | Provinces | case | | 1 | Mae Hong Son | 0 | | 2 | Phrae | 0 | | 3 | Yasothon | 0 | | 4 | Bueng Kan | 1 | | 5 | Lampang | 1 | | 6 | Nakhon Phanom | 1 | | 7 | Narathiwat | 1 | | 8 | Nong Bua Lam Phu | 1 | | 9 | Ranong | 1 | | 10 | Satun | 1 | | | Whole Kingdom | 1,618 |
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