Bueng Kan, the 77th province, was newly established on March 23, 2011, separated from Nong Khai province.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 6,19 | -3,46% |
| 2011 | 6,41 | 5,77% |
| 2010 | 6,06 | -10,71% |
| 2009 | 6,79 | 0,30% |
| 2008 | 6,77 | -8,74% |
| 2007 | 7,42 | -6,06% |
| 2006 | 7,90 | 27,16% |
| 2005 | 6,21 | 6,01% |
| 2004 | 5,86 | 9,19% |
| 2003 | 5,37 |