| Blood Type | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total | 105 | 125 | 119 | 126 | 123 | 150 | 238 | 309 | 356 | 341 |
| A | 44 | 56 | 55 | 53 | 52 | 58 | 91 | 124 | 142 | 132 |
| AB | 1 | 2 | 2 | 1 | 1 | 2 | 6 | 5 | 5 | 7 |
| B | 12 | 19 | 19 | 19 | 18 | 22 | 34 | 37 | 37 | 40 |
| O | 48 | 48 | 43 | 53 | 52 | 68 | 107 | 143 | 172 | 162 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| A | 41.9% | 44.8% | 46.2% | 42.1% | 42.3% | 38.7% | 38.2% | 40.1% | 39.9% | 38.7% |
| AB | 1.0% | 1.6% | 1.7% | 0.8% | 0.8% | 1.3% | 2.5% | 1.6% | 1.4% | 2.1% |
| B | 11.4% | 15.2% | 16.0% | 15.1% | 14.6% | 14.7% | 14.3% | 12.0% | 10.4% | 11.7% |
| O | 45.7% | 38.4% | 36.1% | 42.1% | 42.3% | 45.3% | 45.0% | 46.3% | 48.3% | 47.5% |