Mitgliederentwicklung
| 1874 | 67 |
| 1929 | 87 |
| 1948 | 90 |
| 1976 | 346 |
| 1977 | 398 |
| 1980 | 443 |
| 1983 | 485 |
| 1985 | 523 |
| 1986 | 550 |
| 1990 | 300 |
| 1996 | 150 |
| 1997 | 212 |
| 2012 | 142 |
| 2013 | 137 |
| 2014 | 121 |
| 2015 | 134 |
| 2016 | 133 |
| 2017 | 125 |
| 2018 | 110 |
| 2019 | 127 |
| 2020 | 141 |
| 2021 | 135 |
| 2022 | 115 |
| 2023 | 123 |
| 2024 | 139 |
| 2025 | 147 |