Bueng Kan, the 77th province, was newly established on March 23, 2011, separated from Nong Khai province.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 16,25 | 2,73% |
| 2011 | 15,82 | 3,85% |
| 2010 | 15,23 | -3,80% |
| 2009 | 15,83 | -1,47% |
| 2008 | 16,07 | -1,75% |
| 2007 | 16,35 | 3,10% |
| 2006 | 15,86 | -0,80% |
| 2005 | 15,99 | -0,49% |
| 2004 | 16,07 | 4,78% |
| 2003 | 15,33 |