Ten provinces with least offender for the narcotics: 2004 - 2006
 2004 
RankProvincescase
1Uthai Thani87
2Nong Bua Lam Phu130
3Mae Hong Son133
4Chai Nat136
5Phatthalung142
6Nakhon Nayok150
7Satun169
8Trat188
9Surin201
10Pangnga202
  whole kingdom 78,472
 2005 
RankProvincescase
1Uthai Thani135
2Mae Hong Son148
3Chai Nat192
4Ranong209
5Trat210
6Surin226
7Nong Bua Lam Phu243
8Phatthalung247
9Pangnga250
10Nakhon Nayok262
 whole kingdom 105,317
 2006 
RankProvincescase
1Uthai Thani182
2Nong Bua Lam Phu189
3Mae Hong Son217
4Chai Nat233
5Trat261
6Nakhon Nayok279
7Pangnga323
8Samut Songkhram344
9Phatthalung355
10Loei367
 whole kingdom 117,003
Souce : The Royal Thai Police
Compiled by : Statistical Forecasting Bureau,  National Statistical Office