| Donor Age | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total | 4,422 | 4,724 | 5,494 | 6,038 | 6,240 | 6,473 | 6,647 | 6,570 | 6,435 | 6,036 |
| Unknown | 2 | 2 | 3 | - | - | - | - | - | 1 | - |
| 12-17 Years | 5 | - | 1 | 2 | 1 | 1 | - | - | 1 | 2 |
| 18-34 Years | 1,548 | 1,616 | 1,823 | 2,036 | 2,060 | 2,115 | 2,196 | 2,079 | 2,037 | 1,866 |
| 35-49 Years | 2,033 | 2,213 | 2,624 | 2,833 | 2,931 | 3,084 | 3,073 | 3,101 | 2,935 | 2,668 |
| 50-64 Years | 781 | 852 | 992 | 1,103 | 1,189 | 1,210 | 1,322 | 1,332 | 1,390 | 1,418 |
| 65+ Years | 53 | 41 | 51 | 64 | 59 | 63 | 56 | 58 | 71 | 82 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Unknown | 0.0% | 0.0% | 0.1% | - | - | - | - | - | 0.0% | - |
| 12-17 Years | 0.1% | - | 0.0% | 0.0% | 0.0% | 0.0% | - | - | 0.0% | 0.0% |
| 18-34 Years | 35.0% | 34.2% | 33.2% | 33.7% | 33.0% | 32.7% | 33.0% | 31.6% | 31.7% | 30.9% |
| 35-49 Years | 46.0% | 46.8% | 47.8% | 46.9% | 47.0% | 47.6% | 46.2% | 47.2% | 45.6% | 44.2% |
| 50-64 Years | 17.7% | 18.0% | 18.1% | 18.3% | 19.1% | 18.7% | 19.9% | 20.3% | 21.6% | 23.5% |
| 65+ Years | 1.2% | 0.9% | 0.9% | 1.1% | 0.9% | 1.0% | 0.8% | 0.9% | 1.1% | 1.4% |