| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 7 650,39 | -1,19% |
| 2011 | 7 742,34 | 6,86% |
| 2010 | 7 245,25 | 5,52% |
| 2009 | 6 866,20 | -12,56% |
| 2008 | 7 852,75 | 3,64% |
| 2007 | 7 576,77 | 44,14% |
| 2006 | 5 256,52 | -10,52% |
| 2005 | 5 874,68 | -2,81% |
| 2004 | 6 044,45 | 10,49% |
| 2003 | 5 470,79 | 12,58% |
| 2002 | 4 859,61 | 2,82% |
| 2001 | 4 726,11 |