| Donor Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 4,725 | 5,499 | 6,041 | 6,240 | 6,473 | 6,647 | 6,571 | 6,435 | 6,044 | 5,968 |
| Female | 2,744 | 3,131 | 3,546 | 3,641 | 3,830 | 3,843 | 3,887 | 3,807 | 3,506 | 3,618 |
| Male | 1,981 | 2,368 | 2,495 | 2,599 | 2,643 | 2,804 | 2,684 | 2,628 | 2,538 | 2,350 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 58.1% | 56.9% | 58.7% | 58.3% | 59.2% | 57.8% | 59.2% | 59.2% | 58.0% | 60.6% |
| Male | 41.9% | 43.1% | 41.3% | 41.7% | 40.8% | 42.2% | 40.8% | 40.8% | 42.0% | 39.4% |