| 1990 | 2000 | 2005 | 2010 | 2011 | |
|---|---|---|---|---|---|
| Bayern | 587.460 | 654.411 | 694.121 | 658.404 | 662.114 |
| Niedersachsen | 299.858 | 356.517 | 361.203 | 367.980 | 366.882 |
| Baden-Württemberg | 304.304 | 345.312 | 374.877 | 360.117 | 359.864 |
| Nordrhein-Westfalen | 261.439 | 292.400 | 328.873 | 312.545 | 318.701 |
| Mecklenburg-Vorpommern | 238.790 | 259.795 | 273.120 | 279.899 | |
| Schleswig-Holstein | 218.638 | 238.294 | 249.114 | 247.188 | 245.849 |
| Rheinland-Pfalz | 195.256 | 222.005 | 235.975 | 224.857 | 230.644 |
| Hessen | 165.569 | 214.613 | 236.410 | 226.352 | 226.752 |
| Sachsen | 131.935 | 137.666 | 136.790 | 138.557 | |
| Berlin | 30.264 | 64.738 | 84.519 | 114.398 | 124.524 |
| Brandenburg | 113.726 | 120.356 | 117.918 | 119.964 | |
| Thüringen | 82.642 | 98.209 | 99.843 | 99.707 | |
| Sachsen-Anhalt | 67.664 | 71.889 | 70.638 | 70.787 | |
| Hamburg | 20.967 | 28.537 | 36.470 | 46.898 | 48.781 |
| Saarland | 9.621 | 18.325 | 19.576 | 17.551 | 18.272 |
| Bremen | 6.297 | 9.085 | 18.040 | 12.363 | 12.701 |