Bueng Kan, the 77th province, was newly established on March 23, 2011, separated from Nong Khai province.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 16,98 | 2,45% |
| 2011 | 16,57 | 4,00% |
| 2010 | 15,94 | -3,39% |
| 2009 | 16,50 | -1,49% |
| 2008 | 16,75 | -1,53% |
| 2007 | 17,01 | 3,21% |
| 2006 | 16,48 | -0,71% |
| 2005 | 16,59 | -0,42% |
| 2004 | 16,66 | 4,89% |
| 2003 | 15,89 |