Bueng Kan, the 77th province, was newly established on March 23, 2011, separated from Nong Khai province.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 6,99 | -5,97% |
| 2011 | 7,43 | 6,51% |
| 2010 | 6,98 | -11,52% |
| 2009 | 7,88 | 3,47% |
| 2008 | 7,62 | -9,52% |
| 2007 | 8,42 | -6,69% |
| 2006 | 9,02 | 24,48% |
| 2005 | 7,25 | 8,05% |
| 2004 | 6,71 | 9,18% |
| 2003 | 6,15 |