| Datum | Wert | Ändern , % |
|---|---|---|
| 2021 | 29.830 | -3,94 % |
| 2020 | 31.055 | -2,04 % |
| 2019 | 31.702 | -5,47 % |
| 2018 | 33.536 | -13,87 % |
| 2017 | 38.938 | -2,33 % |
| 2016 | 39.865 | -16,66 % |
| 2015 | 47.836 | 26,09 % |
| 2014 | 37.937 | 24,21 % |
| 2013 | 30.543 | 0,17 % |
| 2012 | 30.492 | 5,93 % |
| 2011 | 28.785 | 0,38 % |
| 2010 | 28.675 |