| Häufigkeitsauszählung |
Arbeitsort Bundesland (ao_bula)
| ao_bula |
Jahr |
| 1985 |
2002 |
2008 |
2021 |
| 1 Schleswig-Holstein | 32,294 | 45,908 | 52,420 | 55,776 |
| 2 Hamburg | 20,812 | 29,075 | 33,084 | 35,473 |
| 3 Niedersachsen | 80,889 | 114,344 | 131,402 | 139,913 |
| 4 Bremen | 7,298 | 9,674 | 10,643 | 10,936 |
| 5 Nordrhein-Westfalen | 177,484 | 254,426 | 295,815 | 312,430 |
| 6 Hessen | 65,028 | 91,849 | 104,807 | 113,050 |
| 7 Rheinland-Pfalz | 44,396 | 62,484 | 73,405 | 76,219 |
| 8 Baden-Wuerttemberg | 118,662 | 165,867 | 188,327 | 200,432 |
| 9 Bayern | 144,010 | 207,029 | 236,798 | 263,137 |
| 10 Saarland | 11,014 | 15,114 | 16,995 | 17,476 |
| 11 Berlin | 22,688 | 47,296 | 53,485 | 61,016 |
| 12 Brandenburg | | 36,388 | 38,283 | 39,679 |
| 13 Mecklenburg-Vorpommern | | 26,448 | 27,423 | 27,199 |
| 14 Sachsen | | 66,347 | 67,997 | 64,515 |
| 15 Sachsen-Anhalt | | 34,230 | 34,683 | 31,941 |
| 16 Thueringen | | 36,078 | 36,213 | 32,945 |
| .z K. Angabe | 32 | 152 | / | / |
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