| |
| Wahltermin
| Wahlberechtigte
| gültige
Stimmen | | 1945
| 16.247
| 14.580
| | 1949
| 21.424
| 20.626
| | 1953
| 23.428
| 21.580
| | 1956
| 24.371
| 23.020
| | 1959
| 26.887
| 24.797
| | 1962
| 27.928
| 26.113
| | 1966
| 29.593
| 27.571
| | 1970
| 31.710
| 26.729
| | 1971
| 31.671
| 28.599
| | 1975
| 32.882
| 29.627
| | 1979
| 35.040
| 30.959
| | 1983
| 35.992
| 31.844
| | 1986
| 37.118
| 31.508
| | 1990
| 38.134
| 29.745
| | 1994
| 38.716
| 29.142
| | 1995
| 38.675
| 31.373
| | 1999
| 38.510
| 28.820
| |
2002
|
38.829
|
30.384
| |
2006
|
40.223
|
28.846
| |
2008
|
40.994
|
30.313
| 
|
