| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 17 881,00 | 0,11% |
| 2011 | 17 861,00 | -0,46% |
| 2010 | 17 943,00 | -3,43% |
| 2009 | 18 581,00 | -2,24% |
| 2008 | 19 006,00 | 3,43% |
| 2007 | 18 376,00 | 3,07% |
| 2006 | 17 828,00 | 0,92% |
| 2005 | 17 665,00 | -3,22% |
| 2004 | 18 252,00 | -1,44% |
| 2003 | 18 518,90 | 1,67% |
| 2002 | 18 214,20 | 2,89% |
| 2001 | 17 702,10 |