| Trustees by Era and Gender | |||||
| Era | All | Men | Women | % Women | |
| 1889-1914 | 53 | 26 | 27 | 51% | |
| 1915-1939 | 29 | 15 | 14 | 48% | |
| 1940-1964 | 44 | 20 | 24 | 55% | |
| 1965-1989 | 76 | 28 | 48 | 63% | |
| 1990-2018 | 116 | 25 | 91 | 78% | |
| 318 | 114 | 204 | 64% | ||
| Trustees by Era and Gender | |||||
| Era | All | Men | Women | % Women | |
| 1889-1914 | 53 | 26 | 27 | 51% | |
| 1915-1939 | 29 | 15 | 14 | 48% | |
| 1940-1964 | 44 | 20 | 24 | 55% | |
| 1965-1989 | 76 | 28 | 48 | 63% | |
| 1990-2018 | 116 | 25 | 91 | 78% | |
| 318 | 114 | 204 | 64% | ||