| Datum | Wert | Ändern , % |
|---|---|---|
| 2021 | 15.765 | 39,31 % |
| 2020 | 11.316 | -21,21 % |
| 2019 | 14.362 | -1,69 % |
| 2018 | 14.609 | 7,32 % |
| 2017 | 13.613 | 6,02 % |
| 2016 | 12.840 | -1,95 % |
| 2015 | 13.095 | -9,13 % |
| 2014 | 14.411 | -7,27 % |
| 2013 | 15.542 | 4,93 % |
| 2012 | 14.812 | -3,60 % |
| 2011 | 15.365 | 21,91 % |
| 2010 | 12.604 |