| Дата | Значение | Изменение, % |
|---|---|---|
| 2013 | 14 920,6 | -27,24% |
| 2012 | 20 506,7 | -13,56% |
| 2011 | 23 722,4 | 4,04% |
| 2010 | 22 801,3 | 14,93% |
| 2009 | 19 839,9 | 31,53% |
| 2008 | 15 084,5 | 24,78% |
| 2007 | 12 088,8 | -56,71% |
| 2006 | 27 926,0 | 32,39% |
| 2005 | 21 094,1 | 5,55% |
| 2004 | 19 985,0 | 15,69% |
| 2003 | 17 275,2 | 8,68% |
| 2002 | 15 895,4 |