| Donor Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | |
| Total | 3,933 | 4,422 | 4,724 | 5,493 | 6,038 | 6,240 | 6,473 | 6,647 | 6,569 | 6,436 |
| Female | 2,249 | 2,558 | 2,743 | 3,129 | 3,546 | 3,641 | 3,830 | 3,842 | 3,886 | 3,810 |
| Male | 1,684 | 1,864 | 1,981 | 2,364 | 2,492 | 2,599 | 2,643 | 2,805 | 2,683 | 2,626 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 57.2% | 57.8% | 58.1% | 57.0% | 58.7% | 58.3% | 59.2% | 57.8% | 59.2% | 59.2% |
| Male | 42.8% | 42.2% | 41.9% | 43.0% | 41.3% | 41.7% | 40.8% | 42.2% | 40.8% | 40.8% |