It became a factor after U-M started to track 2 or more races in 2010.
Black/AA and “2 or more races” enrollment by year.
2015: 4.8% - 3.6%
2014: 4.6% - 3.4%
2013: 4.8% - 3.3%
2012: 4.7% - 3.3%
2011: 4.8% - 3.4%
2010: 4.8% - 3.4%
2009: 6.1% - 0.0%
2008: 6.6% - 0.0%
2007: 6.8% - 0.0%
2006: 7.2% - 0.0%
True, but it would increase at UF, only decreasing once UF started to track “2 or more races”.