| Datum | Wert | Ändern , % |
|---|---|---|
| 2021 | 31.160 | 11,51 % |
| 2020 | 27.943 | -2,79 % |
| 2019 | 28.744 | 10,19 % |
| 2018 | 26.086 | -21,75 % |
| 2017 | 33.336 | 31,41 % |
| 2016 | 25.368 | 16,96 % |
| 2015 | 21.689 | -23,76 % |
| 2014 | 28.447 | 23,27 % |
| 2013 | 23.077 | -17,35 % |
| 2012 | 27.921 | -6,37 % |
| 2011 | 29.819 | 25,90 % |
| 2010 | 23.685 |