| Gender | Year | |||||||||
| 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | |
| Total | 192 | 201 | 202 | 237 | 228 | 251 | 223 | 202 | 209 | 198 |
| Female | 117 | 127 | 123 | 149 | 135 | 149 | 136 | 118 | 118 | 115 |
| Male | 75 | 74 | 79 | 88 | 93 | 102 | 87 | 84 | 91 | 83 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 60.9% | 63.2% | 60.9% | 62.9% | 59.2% | 59.4% | 61.0% | 58.4% | 56.5% | 58.1% |
| Male | 39.1% | 36.8% | 39.1% | 37.1% | 40.8% | 40.6% | 39.0% | 41.6% | 43.5% | 41.9% |