| Donor Gender | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | |
| Total | 38 | 53 | 58 | 36 | 49 | 25 | 29 | 28 | 2 | 5 |
| Female | 13 | 22 | 18 | 13 | 13 | 10 | 10 | 10 | - | 1 |
| Male | 25 | 31 | 40 | 23 | 36 | 15 | 19 | 18 | 2 | 4 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Female | 34.2% | 41.5% | 31.0% | 36.1% | 26.5% | 40.0% | 34.5% | 35.7% | - | 20.0% |
| Male | 65.8% | 58.5% | 69.0% | 63.9% | 73.5% | 60.0% | 65.5% | 64.3% | 100.0% | 80.0% |