| Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 125 | 119 | 124 | 122 | 149 | 236 | 307 | 354 | 340 | 372 |
| Female | 60 | 58 | 57 | 52 | 72 | 140 | 181 | 199 | 200 | 215 |
| Male | 65 | 61 | 67 | 70 | 77 | 96 | 126 | 155 | 140 | 157 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 48.0% | 48.7% | 46.0% | 42.6% | 48.3% | 59.3% | 59.0% | 56.2% | 58.8% | 57.8% |
| Male | 52.0% | 51.3% | 54.0% | 57.4% | 51.7% | 40.7% | 41.0% | 43.8% | 41.2% | 42.2% |