| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | |
|---|---|---|---|---|---|---|---|---|
| Bayern | 14.471 | 10.582 | 8.206 | 8.337 | 7.535 | 6.648 | 6.041 | 5.490 |
| Baden-Württemberg | 12.022 | 8.942 | 7.139 | 7.259 | 6.539 | 5.728 | 5.157 | 4.644 |
| Hessen | 6.439 | 5.194 | 4.206 | 4.308 | 3.905 | 3.457 | 2.954 | 2.511 |
| Mecklenburg-Vorpommern | 790 | 665 | 529 | 558 | 522 | 476 | 441 | 409 |
| Niedersachsen | 7.098 | 5.853 | 4.899 | 5.008 | 4.566 | 4.057 | 3.667 | 3.297 |
| Berlin | 2.103 | 1.403 | 1.197 | 1.206 | 1.090 | 938 | 794 | 682 |
| Saarland | 877 | 571 | 464 | 467 | 418 | 364 | 326 | 285 |
| Brandenburg | 950 | 961 | 848 | 880 | 810 | 734 | 676 | 623 |
| Hamburg | 2.333 | 1.834 | 1.434 | 1.476 | 1.365 | 1.212 | 1.050 | 915 |
| Bremen | 579 | 395 | 310 | 320 | 291 | 261 | 229 | 202 |
| Rheinland-Pfalz | 3.338 | 2.625 | 2.119 | 2.175 | 1.981 | 1.758 | 1.574 | 1.414 |
| Sachsen | 1.970 | 1.499 | 1.122 | 1.131 | 1.017 | 893 | 803 | 731 |
| Sachsen-Anhalt | 1.077 | 889 | 680 | 690 | 625 | 553 | 512 | 471 |
| Thüringen | 1.064 | 786 | 601 | 607 | 547 | 482 | 440 | 402 |
| Schleswig-Holstein | 2.972 | 2.373 | 1.831 | 1.882 | 1.723 | 1.545 | 1.392 | 1.256 |
| Nordrhein-Westfalen | 14.839 | 11.946 | 10.578 | 10.839 | 9.779 | 8.588 | 7.658 | 6.812 |