| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 5 331,30 | 26,10% |
| 2011 | 4 227,80 | -8,64% |
| 2010 | 4 627,50 | 1,16% |
| 2009 | 4 574,40 | -11,37% |
| 2008 | 5 161,10 | 18,37% |
| 2007 | 4 360,10 | 3,07% |
| 2006 | 4 230,20 | -4,95% |
| 2005 | 4 450,60 | 7,80% |
| 2004 | 4 128,70 | 0,99% |
| 2003 | 4 088,10 | 4,69% |
| 2002 | 3 905,00 | 4,41% |
| 2001 | 3 739,90 |