| Donor Blood Type | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | |
| Total | 122 | 48 | 72 | 78 | 95 | 87 | 115 | 112 | 122 | 166 |
| O | 60 | 18 | 32 | 40 | 50 | 51 | 55 | 45 | 66 | 85 |
| A | 44 | 27 | 32 | 32 | 33 | 29 | 41 | 51 | 42 | 59 |
| B | 15 | 3 | 6 | 4 | 9 | 4 | 17 | 11 | 11 | 19 |
| AB | 3 | - | 2 | 2 | 3 | 3 | 2 | 5 | 3 | 3 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| O | 49.2% | 37.5% | 44.4% | 51.3% | 52.6% | 58.6% | 47.8% | 40.2% | 54.1% | 51.2% |
| A | 36.1% | 56.3% | 44.4% | 41.0% | 34.7% | 33.3% | 35.7% | 45.5% | 34.4% | 35.5% |
| B | 12.3% | 6.3% | 8.3% | 5.1% | 9.5% | 4.6% | 14.8% | 9.8% | 9.0% | 11.4% |
| AB | 2.5% | - | 2.8% | 2.6% | 3.2% | 3.4% | 1.7% | 4.5% | 2.5% | 1.8% |