| Donor Age | 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 |
| Unknown | 2 | 2 | 3 | - | - | - | - | - | 2 | 1 |
| 12-17 Years | 5 | - | 1 | 2 | 2 | 1 | - | - | 1 | 3 |
| 18-34 Years | 1,620 | 1,770 | 2,040 | 2,310 | 2,239 | 2,289 | 2,360 | 2,221 | 2,183 | 1,981 |
| 35-49 Years | 2,092 | 2,346 | 2,814 | 3,067 | 3,098 | 3,225 | 3,224 | 3,241 | 3,039 | 2,781 |
| 50-64 Years | 796 | 878 | 1,026 | 1,163 | 1,230 | 1,248 | 1,363 | 1,381 | 1,435 | 1,459 |
| 65+ Years | 54 | 41 | 52 | 68 | 61 | 65 | 57 | 58 | 72 | 83 |
| 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% | 0.0% |
| 12-17 Years | 0.1% | - | 0.0% | 0.0% | 0.0% | 0.0% | - | - | 0.0% | 0.0% |
| 18-34 Years | 35.5% | 35.1% | 34.4% | 34.9% | 33.8% | 33.5% | 33.7% | 32.2% | 32.4% | 31.4% |
| 35-49 Years | 45.8% | 46.6% | 47.4% | 46.4% | 46.7% | 47.2% | 46.0% | 47.0% | 45.1% | 44.1% |
| 50-64 Years | 17.4% | 17.4% | 17.3% | 17.6% | 18.6% | 18.3% | 19.5% | 20.0% | 21.3% | 23.1% |
| 65+ Years | 1.2% | 0.8% | 0.9% | 1.0% | 0.9% | 1.0% | 0.8% | 0.8% | 1.1% | 1.3% |