| Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | |
| Total | 6,280 | 7,571 | 9,757 | 12,052 | 13,917 | 14,897 | 13,039 | 12,650 | 12,705 | 12,822 |
| Female | 2,773 | 3,248 | 4,151 | 5,120 | 5,875 | 6,290 | 5,556 | 5,236 | 5,125 | 5,161 |
| Male | 3,507 | 4,323 | 5,606 | 6,932 | 8,042 | 8,607 | 7,483 | 7,414 | 7,580 | 7,661 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 44.2% | 42.9% | 42.5% | 42.5% | 42.2% | 42.2% | 42.6% | 41.4% | 40.3% | 40.3% |
| Male | 55.8% | 57.1% | 57.5% | 57.5% | 57.8% | 57.8% | 57.4% | 58.6% | 59.7% | 59.7% |