| Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 30 | 31 | 32 | 40 | 40 | 52 | 52 | 50 | 52 | 66 |
| Female | 16 | 15 | 15 | 16 | 23 | 30 | 27 | 22 | 21 | 26 |
| Male | 14 | 16 | 17 | 24 | 17 | 22 | 25 | 28 | 31 | 40 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 53.3% | 48.4% | 46.9% | 40.0% | 57.5% | 57.7% | 51.9% | 44.0% | 40.4% | 39.4% |
| Male | 46.7% | 51.6% | 53.1% | 60.0% | 42.5% | 42.3% | 48.1% | 56.0% | 59.6% | 60.6% |