| Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 1,818 | 2,107 | 2,041 | 2,062 | 1,907 | 1,700 | 1,529 | 1,443 | 1,349 | 1,235 |
| Female | 796 | 907 | 895 | 939 | 863 | 703 | 627 | 594 | 587 | 539 |
| Male | 1,022 | 1,200 | 1,146 | 1,123 | 1,044 | 997 | 902 | 849 | 762 | 696 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 43.8% | 43.0% | 43.9% | 45.5% | 45.3% | 41.4% | 41.0% | 41.2% | 43.5% | 43.6% |
| Male | 56.2% | 57.0% | 56.1% | 54.5% | 54.7% | 58.6% | 59.0% | 58.8% | 56.5% | 56.4% |