| Year | Race or color | Total | ||||
| White | Brown | Black | Yellow | Indigenous | ||
| 2004 | 42.2 | 46.7 | 8.1 | 2.0 | 1.0 | 100 |
| 2005 | 25.3 | 59.0 | 13.0 | 1.1 | 1.7 | 100 |
| 2006 | 26.1 | 58.6 | 11.3 | 1.8 | 2.1 | 100 |
| 2007 | 30.4 | 52.4 | 12.8 | 2.5 | 2.0 | 100 |
| 2008 | 28.8 | 53.4 | 14.7 | 1.3 | 1.8 | 100 |
| 2009 | 27.0 | 54.3 | 14.0 | 2.6 | 2.1 | 100 |
| 2011 | 28.2 | 52.9 | 15.9 | 1.6 | 1.4 | 100 |
| 2012 | 30.4 | 53.3 | 13.0 | 1.8 | 1.5 | 100 |