| Häufigkeitsauszählung |
Arbeitsort Bundesland (ao_bula)
| ao_bula |
Jahr |
| 1985 |
2002 |
2008 |
2022 |
| 1 Schleswig-Holstein | 32,532 | 45,593 | 52,195 | 55,029 |
| 2 Hamburg | 21,014 | 28,672 | 32,864 | 35,866 |
| 3 Niedersachsen | 80,783 | 114,931 | 131,530 | 139,378 |
| 4 Bremen | 7,364 | 9,778 | 10,828 | 10,865 |
| 5 Nordrhein-Westfalen | 177,258 | 254,005 | 296,309 | 311,264 |
| 6 Hessen | 64,717 | 91,813 | 104,622 | 112,769 |
| 7 Rheinland-Pfalz | 44,235 | 62,550 | 73,175 | 75,624 |
| 8 Baden-Wuerttemberg | 119,119 | 166,195 | 188,829 | 200,700 |
| 9 Bayern | 143,641 | 206,720 | 236,386 | 262,416 |
| 10 Saarland | 10,983 | 15,168 | 17,001 | 17,411 |
| 11 Berlin | 22,619 | 47,324 | 53,655 | 61,659 |
| 12 Brandenburg | | 36,676 | 38,510 | 39,806 |
| 13 Mecklenburg-Vorpommern | | 26,503 | 27,557 | 27,174 |
| 14 Sachsen | | 66,356 | 67,987 | 63,801 |
| 15 Sachsen-Anhalt | | 34,139 | 34,763 | 31,566 |
| 16 Thueringen | | 36,191 | 36,438 | 32,564 |
| .z K. Angabe | 30 | 173 | / | / |
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