| Datum | Wert | Ändern , % |
|---|---|---|
| 2018 | 64.471 | 2,11 % |
| 2017 | 63.136 | -11,62 % |
| 2016 | 71.436 | 0,25 % |
| 2015 | 71.259 | 14,79 % |
| 2014 | 62.080 | 19,67 % |
| 2013 | 51.874 | 1,12 % |
| 2012 | 51.297 | 25,08 % |
| 2011 | 41.012 | -4,91 % |
| 2010 | 43.130 | 8,93 % |
| 2009 | 39.593 | 298,28 % |
| 2008 | 9.941 | -63,69 % |
| 2007 | 27.379 |