Year | High school or less | Some collegea | Bachelor's degree | Advanced degree |
---|---|---|---|---|
1985 | 37.9 | 14.7 | 22.6 | 24.8 |
1990 | 32.9 | 15.2 | 20.9 | 31.0 |
1995 | 28.7 | 15.1 | 21.6 | 34.7 |
2000 | 25.2 | 13.3 | 22.4 | 39.2 |
2005 | 22.2 | 13.5 | 24.7 | 39.2 |
2010 | 19.1 | 13.0 | 25.3 | 42.0 |
2015 | 18.0 | 12.3 | 26.5 | 42.7 |