| Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 71 | 102 | 132 | 140 | 127 | 139 | 148 | 182 | 168 | 146 |
| Female | 25 | 47 | 62 | 54 | 52 | 64 | 65 | 74 | 66 | 59 |
| Male | 46 | 55 | 70 | 86 | 75 | 75 | 83 | 108 | 102 | 87 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 35.2% | 46.1% | 47.0% | 38.6% | 40.9% | 46.0% | 43.9% | 40.7% | 39.3% | 40.4% |
| Male | 64.8% | 53.9% | 53.0% | 61.4% | 59.1% | 54.0% | 56.1% | 59.3% | 60.7% | 59.6% |