| Blood Type | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 36,951 | 39,958 | 42,219 | 44,262 | 45,475 | 45,290 | 46,106 | 47,039 | 48,677 | 50,624 |
| A | 10,237 | 11,051 | 11,636 | 12,163 | 12,454 | 12,348 | 12,599 | 12,940 | 13,457 | 14,026 |
| AB | 905 | 1,042 | 1,110 | 1,169 | 1,182 | 1,213 | 1,250 | 1,255 | 1,279 | 1,345 |
| B | 6,238 | 6,849 | 7,189 | 7,572 | 7,848 | 7,690 | 7,729 | 7,796 | 8,081 | 8,282 |
| O | 19,571 | 21,016 | 22,284 | 23,358 | 23,991 | 24,039 | 24,528 | 25,048 | 25,860 | 26,971 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| A | 27.7% | 27.7% | 27.6% | 27.5% | 27.4% | 27.3% | 27.3% | 27.5% | 27.6% | 27.7% |
| AB | 2.4% | 2.6% | 2.6% | 2.6% | 2.6% | 2.7% | 2.7% | 2.7% | 2.6% | 2.7% |
| B | 16.9% | 17.1% | 17.0% | 17.1% | 17.3% | 17.0% | 16.8% | 16.6% | 16.6% | 16.4% |
| O | 53.0% | 52.6% | 52.8% | 52.8% | 52.8% | 53.1% | 53.2% | 53.2% | 53.1% | 53.3% |