| Blood Type | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 4,226 | 4,610 | 5,355 | 6,034 | 8,038 | 11,851 | 15,399 | 19,216 | 22,924 | 25,465 |
| A | 1,352 | 1,410 | 1,657 | 1,823 | 2,407 | 3,591 | 4,634 | 5,781 | 6,901 | 7,696 |
| AB | 138 | 136 | 163 | 198 | 282 | 342 | 479 | 635 | 776 | 832 |
| B | 671 | 710 | 836 | 917 | 1,229 | 1,903 | 2,489 | 3,055 | 3,585 | 4,008 |
| O | 2,065 | 2,354 | 2,699 | 3,096 | 4,120 | 6,015 | 7,797 | 9,745 | 11,662 | 12,929 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| A | 32.0% | 30.6% | 30.9% | 30.2% | 29.9% | 30.3% | 30.1% | 30.1% | 30.1% | 30.2% |
| AB | 3.3% | 3.0% | 3.0% | 3.3% | 3.5% | 2.9% | 3.1% | 3.3% | 3.4% | 3.3% |
| B | 15.9% | 15.4% | 15.6% | 15.2% | 15.3% | 16.1% | 16.2% | 15.9% | 15.6% | 15.7% |
| O | 48.9% | 51.1% | 50.4% | 51.3% | 51.3% | 50.8% | 50.6% | 50.7% | 50.9% | 50.8% |