| Donor Gender | Year | |||||||||
| 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | |
| Total | 4,861 | 5,099 | 5,363 | 5,418 | 5,479 | 5,794 | 5,824 | 5,986 | 6,081 | 6,182 |
| Female | 1,841 | 1,977 | 2,152 | 2,189 | 2,230 | 2,427 | 2,480 | 2,502 | 2,503 | 2,495 |
| Male | 3,020 | 3,122 | 3,211 | 3,229 | 3,249 | 3,367 | 3,344 | 3,484 | 3,578 | 3,687 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 37.9% | 38.8% | 40.1% | 40.4% | 40.7% | 41.9% | 42.6% | 41.8% | 41.2% | 40.4% |
| Male | 62.1% | 61.2% | 59.9% | 59.6% | 59.3% | 58.1% | 57.4% | 58.2% | 58.8% | 59.6% |