| Blood Type | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 12,049 | 13,912 | 14,887 | 13,027 | 12,627 | 12,664 | 12,728 | 12,472 | 12,198 | 12,230 |
| A | 4,182 | 4,951 | 5,203 | 4,543 | 4,485 | 4,638 | 4,646 | 4,679 | 4,622 | 4,571 |
| AB | 299 | 314 | 386 | 323 | 287 | 268 | 297 | 270 | 239 | 233 |
| B | 1,349 | 1,552 | 1,698 | 1,457 | 1,391 | 1,339 | 1,406 | 1,336 | 1,397 | 1,374 |
| O | 6,219 | 7,095 | 7,600 | 6,704 | 6,464 | 6,419 | 6,379 | 6,187 | 5,940 | 6,052 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| A | 34.7% | 35.6% | 34.9% | 34.9% | 35.5% | 36.6% | 36.5% | 37.5% | 37.9% | 37.4% |
| AB | 2.5% | 2.3% | 2.6% | 2.5% | 2.3% | 2.1% | 2.3% | 2.2% | 2.0% | 1.9% |
| B | 11.2% | 11.2% | 11.4% | 11.2% | 11.0% | 10.6% | 11.0% | 10.7% | 11.5% | 11.2% |
| O | 51.6% | 51.0% | 51.1% | 51.5% | 51.2% | 50.7% | 50.1% | 49.6% | 48.7% | 49.5% |