| Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | |
| Total | 164 | 179 | 136 | 123 | 119 | 107 | 106 | 83 | 45 | 53 |
| Female | 92 | 110 | 83 | 75 | 69 | 65 | 63 | 56 | 26 | 35 |
| Male | 72 | 69 | 53 | 48 | 50 | 42 | 43 | 27 | 19 | 18 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 56.1% | 61.5% | 61.0% | 61.0% | 58.0% | 60.7% | 59.4% | 67.5% | 57.8% | 66.0% |
| Male | 43.9% | 38.5% | 39.0% | 39.0% | 42.0% | 39.3% | 40.6% | 32.5% | 42.2% | 34.0% |