| Donor Blood Type | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | |
| Total | 54 | 62 | 86 | 92 | 253 | 395 | 518 | 362 | 321 | 323 |
| O | 38 | 38 | 54 | 55 | 159 | 252 | 344 | 246 | 203 | 213 |
| A | 13 | 20 | 26 | 28 | 70 | 105 | 126 | 98 | 89 | 90 |
| B | 3 | 4 | 6 | 9 | 23 | 36 | 42 | 18 | 28 | 17 |
| AB | - | - | - | - | 1 | 2 | 6 | - | 1 | 3 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| O | 70.4% | 61.3% | 62.8% | 59.8% | 62.8% | 63.8% | 66.4% | 68.0% | 63.2% | 65.9% |
| A | 24.1% | 32.3% | 30.2% | 30.4% | 27.7% | 26.6% | 24.3% | 27.1% | 27.7% | 27.9% |
| B | 5.6% | 6.5% | 7.0% | 9.8% | 9.1% | 9.1% | 8.1% | 5.0% | 8.7% | 5.3% |
| AB | - | - | - | - | 0.4% | 0.5% | 1.2% | - | 0.3% | 0.9% |