| Datum | Wert | Ändern , % |
|---|---|---|
| 2019 | 13.137 | -34,16 % |
| 2018 | 19.953 | -15,08 % |
| 2017 | 23.496 | 13,32 % |
| 2016 | 20.735 | 32,87 % |
| 2015 | 15.605 | 46,80 % |
| 2014 | 10.630 | 32,51 % |
| 2013 | 8.022 | -5,70 % |
| 2012 | 8.507 | 55,49 % |
| 2011 | 5.471 | 61,15 % |
| 2010 | 3.395 | 37,39 % |
| 2009 | 2.471 | -76,64 % |
| 2008 | 10.579 |