| Jan | Feb | März | Apr | Mai | Jun | Jul | Aug | Sep | Okt | Nov | Dez | Summe | ||
| 2008 | 565 | 513 | 608 | 644 | 728 | 1034 | 1017 | 1073 | 1349 | 1789 | 1596 | 1662 | 12478 | |
| 2009 | 1775 | 1606 | 2001 | 1935 | 2129 | 2031 | 2052 | 1950 | 2144 | 2218 | 2099 | 2129 | 24069 | |
| 2010 | 2797 | 2470 | 2816 | 2743 | 3074 | 2643 | 2887 | 3327 | 3459 | 3622 | 3680 | 3426 | 36944 | |
| 2011 | 4080 | 3442 | 3853 | 3805 | 4184 | 4121 | 4156 | 4483 | 4225 | 4354 | 4909 | 4769 | 50381 | |
| 2012 | 5322 |