| Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | |
| Total | 47,397 | 53,381 | 59,862 | 65,260 | 71,628 | 76,893 | 78,498 | 81,979 | 85,610 | 89,884 |
| Female | 20,058 | 22,709 | 25,244 | 27,641 | 30,304 | 32,586 | 33,270 | 34,837 | 36,133 | 37,601 |
| Male | 27,339 | 30,672 | 34,618 | 37,619 | 41,324 | 44,307 | 45,228 | 47,142 | 49,477 | 52,283 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 42.3% | 42.5% | 42.2% | 42.4% | 42.3% | 42.4% | 42.4% | 42.5% | 42.2% | 41.8% |
| Male | 57.7% | 57.5% | 57.8% | 57.6% | 57.7% | 57.6% | 57.6% | 57.5% | 57.8% | 58.2% |