| Blood Type | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 1,873 | 2,175 | 3,002 | 3,659 | 4,265 | 4,194 | 4,137 | 4,110 | 4,167 | 3,577 |
| A | 649 | 779 | 1,076 | 1,318 | 1,527 | 1,502 | 1,471 | 1,448 | 1,484 | 1,235 |
| AB | 93 | 100 | 140 | 119 | 160 | 152 | 148 | 157 | 149 | 133 |
| B | 223 | 252 | 364 | 438 | 529 | 545 | 535 | 537 | 557 | 484 |
| O | 908 | 1,044 | 1,422 | 1,784 | 2,049 | 1,995 | 1,983 | 1,968 | 1,977 | 1,725 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| A | 34.7% | 35.8% | 35.8% | 36.0% | 35.8% | 35.8% | 35.6% | 35.2% | 35.6% | 34.5% |
| AB | 5.0% | 4.6% | 4.7% | 3.3% | 3.8% | 3.6% | 3.6% | 3.8% | 3.6% | 3.7% |
| B | 11.9% | 11.6% | 12.1% | 12.0% | 12.4% | 13.0% | 12.9% | 13.1% | 13.4% | 13.5% |
| O | 48.5% | 48.0% | 47.4% | 48.8% | 48.0% | 47.6% | 47.9% | 47.9% | 47.4% | 48.2% |