| Donor Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | |
| Total | 4,601 | 4,843 | 4,947 | 4,997 | 5,106 | 5,294 | 5,682 | 6,319 | 6,691 | 7,017 |
| Female | 1,865 | 2,016 | 2,073 | 2,092 | 2,082 | 2,114 | 2,331 | 2,673 | 2,794 | 2,806 |
| Male | 2,736 | 2,827 | 2,874 | 2,905 | 3,024 | 3,180 | 3,351 | 3,646 | 3,897 | 4,211 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 40.5% | 41.6% | 41.9% | 41.9% | 40.8% | 39.9% | 41.0% | 42.3% | 41.8% | 40.0% |
| Male | 59.5% | 58.4% | 58.1% | 58.1% | 59.2% | 60.1% | 59.0% | 57.7% | 58.2% | 60.0% |