| Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total | 2,277 | 2,429 | 2,484 | 2,417 | 2,281 | 2,315 | 2,163 | 1,052 | 1,031 | 1,005 |
| Female | 1,332 | 1,400 | 1,426 | 1,326 | 1,283 | 1,310 | 1,192 | 630 | 635 | 622 |
| Male | 945 | 1,029 | 1,058 | 1,091 | 998 | 1,005 | 971 | 422 | 396 | 383 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 58.5% | 57.6% | 57.4% | 54.9% | 56.2% | 56.6% | 55.1% | 59.9% | 61.6% | 61.9% |
| Male | 41.5% | 42.4% | 42.6% | 45.1% | 43.8% | 43.4% | 44.9% | 40.1% | 38.4% | 38.1% |