| Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | |
| Total | 4,689 | 6,285 | 7,579 | 9,765 | 12,058 | 13,927 | 14,915 | 13,052 | 12,666 | 12,744 |
| Female | 2,130 | 2,776 | 3,252 | 4,157 | 5,125 | 5,882 | 6,302 | 5,566 | 5,248 | 5,138 |
| Male | 2,559 | 3,509 | 4,327 | 5,608 | 6,933 | 8,045 | 8,613 | 7,486 | 7,418 | 7,606 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 45.4% | 44.2% | 42.9% | 42.6% | 42.5% | 42.2% | 42.3% | 42.6% | 41.4% | 40.3% |
| Male | 54.6% | 55.8% | 57.1% | 57.4% | 57.5% | 57.8% | 57.7% | 57.4% | 58.6% | 59.7% |