| 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2017 | |
|---|---|---|---|---|---|---|---|
| Mecklenburg-Vorpommern | 14 | 16 | 15 | 14 | 9 | 12 | |
| Niedersachsen | 11 | 11 | 11 | 9 | 7 | 6 | 4 |
| Saarland | 16 | 10 | 5 | 5 | 8 | 8 | |
| Berlin | 12 | 10 | 8 | 5 | 6 | 4 | |
| Brandenburg | 14 | 16 | 16 | 13 | 12 | 10 | |
| Bremen | 5 | 9 | 5 | 7 | 2 | 6 | |
| Schleswig-Holstein | 12 | 13 | 10 | 5 | 6 | 7 | |
| Sachsen | 17 | 15 | 14 | 13 | 10 | 13 | 7 |
| Sachsen-Anhalt | 11 | 9 | 9 | 9 | 10 | 7 | |
| Hamburg | 11 | 10 | 9 | 3 | 5 | 4 | |
| Baden-Württemberg | 12 | 12 | 10 | 9 | 8 | 7 | 6 |
| Bayern | 12 | 11 | 12 | 10 | 9 | 6 | 6 |
| Thüringen | 11 | 11 | 7 | 10 | 8 | 6 | |
| Nordrhein-Westfalen | 11 | 11 | 12 | 9 | 9 | 9 | 8 |
| Hessen | 8 | 8 | 8 | 9 | 6 | 7 | 5 |
| Rheinland-Pfalz | 12 | 11 | 7 | 8 | 7 | 5 |