| Donor Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | |
| Total | 836 | 764 | 777 | 825 | 887 | 920 | 961 | 1,064 | 1,285 | 1,325 |
| Female | 325 | 304 | 325 | 354 | 372 | 368 | 386 | 439 | 518 | 542 |
| Male | 511 | 460 | 452 | 471 | 515 | 552 | 575 | 625 | 767 | 783 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 38.9% | 39.8% | 41.8% | 42.9% | 41.9% | 40.0% | 40.2% | 41.3% | 40.3% | 40.9% |
| Male | 61.1% | 60.2% | 58.2% | 57.1% | 58.1% | 60.0% | 59.8% | 58.7% | 59.7% | 59.1% |