| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Baden-Württemberg | 998 | 1 025 | 1 037 | 1 047 | 1 046 | 1 054 | 1 054 | 1 054 | 1 054 | 1 054 |
| Bayern | 2 063 | 2 283 | 2 376 | 2 503 | 2 509 | 2 514 | 2 515 | 2 515 | 2 515 | 2 515 |
| Hamburg | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 |
| Hessen | 931 | 956 | 962 | 972 | 972 | 975 | 975 | 987 | 988 | 984 |
| Saarland | 226 | 236 | 240 | 240 | 240 | 240 | 240 | 240 | 240 | 240 |
| Mecklenburg-Vorpommern | 247 | 336 | 527 | 554 | 554 | 554 | 554 | 554 | 568 | 568 |
| Niedersachsen | 1 221 | 1 349 | 1 398 | 1 431 | 1 433 | 1 434 | 1 434 | 1 444 | 1 444 | 1 444 |
| Nordrhein-Westfalen | 2 101 | 2 178 | 2 172 | 2 200 | 2 207 | 2 216 | 2 216 | 2 215 | 2 222 | 2 223 |
| Sachsen | 412 | 452 | 478 | 531 | 543 | 543 | 567 | 567 | 567 | 567 |
| Sachsen-Anhalt | 228 | 320 | 384 | 407 | 407 | 411 | 411 | 416 | 416 | 416 |
| Thüringen | 250 | 285 | 404 | 498 | 498 | 498 | 511 | 510 | 521 | 521 |
| Rheinland-Pfalz | 801 | 839 | 872 | 875 | 875 | 877 | 877 | 877 | 877 | 877 |
| Schleswig-Holstein | 445 | 481 | 498 | 533 | 533 | 536 | 536 | 538 | 538 | 544 |
| Berlin | 61 | 62 | 73 | 77 | 77 | 77 | 77 | 77 | 77 | 77 |
| Brandenburg | 743 | 766 | 790 | 795 | 795 | 794 | 794 | 794 | 805 | 805 |
| Bremen | 46 | 59 | 71 | 75 | 75 | 75 | 75 | 80 | 80 | 80 |