Bueng Kan, the 77th province, was newly established on March 23, 2011, separated from Nong Khai province.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 18,01 | -2,16% |
| 2011 | 18,41 | 2,20% |
| 2010 | 18,01 | -3,49% |
| 2009 | 18,66 | 0,66% |
| 2008 | 18,54 | -2,40% |
| 2007 | 19,00 | 3,76% |
| 2006 | 18,31 | -0,85% |
| 2005 | 18,46 | -0,90% |
| 2004 | 18,63 | -4,25% |
| 2003 | 19,46 |