| Donor Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total | 1,462 | 1,628 | 1,698 | 1,817 | 1,873 | 1,770 | 2,019 | 2,043 | 2,031 | 1,927 |
| Female | 523 | 578 | 634 | 625 | 629 | 575 | 718 | 654 | 681 | 649 |
| Male | 939 | 1,050 | 1,064 | 1,192 | 1,244 | 1,195 | 1,301 | 1,389 | 1,350 | 1,278 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 35.8% | 35.5% | 37.3% | 34.4% | 33.6% | 32.5% | 35.6% | 32.0% | 33.5% | 33.7% |
| Male | 64.2% | 64.5% | 62.7% | 65.6% | 66.4% | 67.5% | 64.4% | 68.0% | 66.5% | 66.3% |