| Donor Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | |
| Total | 4,059 | 4,569 | 5,037 | 5,933 | 6,608 | 6,629 | 6,828 | 7,004 | 6,898 | 6,732 |
| Female | 2,307 | 2,628 | 2,881 | 3,331 | 3,819 | 3,827 | 3,985 | 4,022 | 4,074 | 3,959 |
| Male | 1,752 | 1,941 | 2,156 | 2,602 | 2,789 | 2,802 | 2,843 | 2,982 | 2,824 | 2,773 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 56.8% | 57.5% | 57.2% | 56.1% | 57.8% | 57.7% | 58.4% | 57.4% | 59.1% | 58.8% |
| Male | 43.2% | 42.5% | 42.8% | 43.9% | 42.2% | 42.3% | 41.6% | 42.6% | 40.9% | 41.2% |