| Donor Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total | 4,569 | 5,037 | 5,936 | 6,610 | 6,630 | 6,828 | 7,004 | 6,901 | 6,732 | 6,308 |
| Female | 2,628 | 2,881 | 3,334 | 3,821 | 3,827 | 3,985 | 4,023 | 4,076 | 3,957 | 3,638 |
| Male | 1,941 | 2,156 | 2,602 | 2,789 | 2,803 | 2,843 | 2,981 | 2,825 | 2,775 | 2,670 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 57.5% | 57.2% | 56.2% | 57.8% | 57.7% | 58.4% | 57.4% | 59.1% | 58.8% | 57.7% |
| Male | 42.5% | 42.8% | 43.8% | 42.2% | 42.3% | 41.6% | 42.6% | 40.9% | 41.2% | 42.3% |