| Datum | Wert | Ändern , % |
|---|---|---|
| 2020 | 14.529 | -1,66 % |
| 2019 | 14.774 | -21,31 % |
| 2018 | 18.776 | 14,85 % |
| 2017 | 16.348 | 20,51 % |
| 2016 | 13.565 | -5,46 % |
| 2015 | 14.349 | -1,50 % |
| 2014 | 14.567 | 5,73 % |
| 2013 | 13.778 | -1,07 % |
| 2012 | 13.926 | 1,15 % |
| 2011 | 13.768 | 24,18 % |
| 2010 | 11.087 | 21,72 % |
| 2009 | 9.109 |