| Gender | Year | |||||||||
| 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | |
| Total | 164 | 181 | 201 | 221 | 272 | 246 | 312 | 383 | 403 | 452 |
| Female | 83 | 90 | 89 | 101 | 127 | 124 | 170 | 208 | 232 | 252 |
| Male | 81 | 91 | 112 | 120 | 145 | 122 | 142 | 175 | 171 | 200 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 50.6% | 49.7% | 44.3% | 45.7% | 46.7% | 50.4% | 54.5% | 54.3% | 57.6% | 55.8% |
| Male | 49.4% | 50.3% | 55.7% | 54.3% | 53.3% | 49.6% | 45.5% | 45.7% | 42.4% | 44.2% |