| Date | Value | Change, % |
|---|---|---|
| 2017 | 1,905.7 | -12.96% |
| 2016 | 2,189.5 | 14.49% |
| 2015 | 1,912.4 | 6.75% |
| 2014 | 1,791.5 | 13.79% |
| 2013 | 1,574.3 | -20.54% |
| 2012 | 1,981.3 | 76.79% |
| 2011 | 1,120.7 | -41.00% |
| 2010 | 1,899.4 | 36.28% |
| 2009 | 1,393.8 | -12.51% |
| 2008 | 1,593.1 | 12.24% |
| 2007 | 1,419.3 | -19.51% |
| 2006 | 1,763.4 |