| Hauptschule/ Werkrealschule |
Gemeinschaftsschule | Realschule | Gymnasium | |
| 2025 | 4% | 47% | 8% | 41% |
| 2024 | 11% | 36% | 11% | 42% |
| 2023 | 12% | 28% | 17% | 43% |
| 2022 | 4% | 24% | 11% | 61% |
| 2021 | 2% | 32% | 25% | 41% |
| 2020 | 9% | 25% | 15% | 51% |
| 2019 | 5% | 52% | 9% | 34% |
| 2018 | 4% | 46% | 14% | 36% |
| 2017 | 5% | 22% | 13% | 60% |
| 2016 | 6% | 40% | 10% | 44% |
| 2015 | 0% | 58% | 2 % | 40% |
| 2014 | 11,5% | 32,5% | 55% | |
| 2013 | 20% | 35% | 45% | |
| 2012 | 27% | 22% | 51% | |
| 2011 | 32% | 37% | 31% | |
| 2010 | 30% | 38% | 32% | |
| 2009 | 19% | 52% | 29% | |
| 2008 | 17% | 46% | 37% | |
| 2007 | 26% | 37% | 37% | |
| 2006 | 22% | 30% | 47% | |
| 2005 | 24% | 38% | 38% | |
| 2004 | 21% | 45% | 34% | |
| 2003 | 29% | 38% | 33% | |
| 2002 | 29% | 35% | 36% | |
| 2001 | 30% | 35% | 35% | |
| 2000 | 32% | 45% | 23% | |
| 1999 | 25% | 46% | 29% | |
| 1998 | 44% | 35% | 21% | |
| 1997 | 40% | 42% | 18% | |
| 1996 | 41% | 38% | 21% | |
| 1995 | 52% | 22% | 26% | |
| 1994 | 36% | 37% | 27% | |
| 1993 | 24% | 44% | 32% |