Bueng Kan, the 77th province, was newly established on March 23, 2011, separated from Nong Khai province.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 5,42 | -0,15% |
| 2011 | 5,42 | 4,80% |
| 2010 | 5,18 | -9,66% |
| 2009 | 5,73 | -3,65% |
| 2008 | 5,95 | -7,74% |
| 2007 | 6,45 | -5,28% |
| 2006 | 6,81 | 30,83% |
| 2005 | 5,20 | 3,37% |
| 2004 | 5,03 | 9,21% |
| 2003 | 4,61 |