| Jahr | Öffentliche Träger | Private Träger | Freigemeinnützige Träger |
|---|---|---|---|
| 1999 | 750 | 3.092 | 5.017 |
| 2001 | 749 | 3.286 | 5.130 |
| 2003 | 728 | 3.610 | 5.405 |
| 2005 | 702 | 3.974 | 5.748 |
| 2007 | 635 | 4.322 | 6.072 |
| 2009 | 624 | 4.637 | 6.373 |
| 2011 | 635 | 4.998 | 6.721 |
| 2013 | 618 | 5.349 | 7.063 |
| 2015 | 659 | 5.737 | 7.200 |
| 2017 | 682 | 6.167 | 7.631 |
| 2019 | 695 | 6.570 | 8.115 |
| 2021 | 727 | 6.876 | 8.512 |
| 2023 | 717 | 6.996 | 8.792 |