| Häufigkeitsauszählung |
Arbeitsort Bundesland (ao_bula)
| ao_bula |
Jahr |
| 1985 |
2002 |
2008 |
2023 |
| 1 Schleswig-Holstein | 32,549 | 45,717 | 52,202 | 54,862 |
| 2 Hamburg | 20,676 | 28,704 | 32,687 | 35,741 |
| 3 Niedersachsen | 80,887 | 114,347 | 131,119 | 137,592 |
| 4 Bremen | 7,427 | 9,711 | 10,725 | 10,766 |
| 5 Nordrhein-Westfalen | 177,985 | 254,316 | 296,128 | 309,440 |
| 6 Hessen | 64,620 | 92,031 | 104,702 | 112,080 |
| 7 Rheinland-Pfalz | 43,848 | 61,963 | 72,429 | 74,616 |
| 8 Baden-Wuerttemberg | 118,672 | 166,006 | 188,337 | 199,800 |
| 9 Bayern | 144,052 | 206,968 | 236,682 | 261,954 |
| 10 Saarland | 11,179 | 15,310 | 17,192 | 16,942 |
| 11 Berlin | 22,653 | 47,524 | 53,549 | 60,754 |
| 12 Brandenburg | | 36,380 | 38,421 | 39,266 |
| 13 Mecklenburg-Vorpommern | | 26,450 | 27,539 | 26,758 |
| 14 Sachsen | | 66,386 | 67,574 | 62,513 |
| 15 Sachsen-Anhalt | | 34,152 | 34,940 | 31,169 |
| 16 Thueringen | | 36,112 | 36,293 | 32,036 |
| .z K. Angabe | 41 | 163 | / | / |
|