| Blood Type | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 65,204 | 71,554 | 76,787 | 78,344 | 81,708 | 85,170 | 88,625 | 92,686 | 96,874 | 100,597 |
| A | 19,938 | 21,940 | 23,394 | 23,638 | 24,724 | 25,944 | 26,859 | 28,160 | 29,512 | 30,480 |
| AB | 1,706 | 1,919 | 2,101 | 2,113 | 2,224 | 2,275 | 2,450 | 2,605 | 2,664 | 2,760 |
| B | 9,623 | 10,552 | 11,352 | 11,689 | 12,267 | 12,701 | 13,242 | 13,802 | 14,595 | 15,136 |
| O | 33,937 | 37,143 | 39,940 | 40,904 | 42,493 | 44,250 | 46,074 | 48,119 | 50,103 | 52,221 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| A | 30.6% | 30.7% | 30.5% | 30.2% | 30.3% | 30.5% | 30.3% | 30.4% | 30.5% | 30.3% |
| AB | 2.6% | 2.7% | 2.7% | 2.7% | 2.7% | 2.7% | 2.8% | 2.8% | 2.7% | 2.7% |
| B | 14.8% | 14.7% | 14.8% | 14.9% | 15.0% | 14.9% | 14.9% | 14.9% | 15.1% | 15.0% |
| O | 52.0% | 51.9% | 52.0% | 52.2% | 52.0% | 52.0% | 52.0% | 51.9% | 51.7% | 51.9% |