Earlier quoted context omitted.
That chart is far from surprising. I was shocked to find out that 52% of US homicides recorded between 1980 and 2008 were committed by black offenders, but only around 13% of Americans are black! Pointing to poverty rates is not a satisfactory answer. Whatever the reason, people should be able to acknowledge hard truths and still uphold equal rights.
How about pointing to several hundred years of systemic slavery and oppression without any meaningful reparation efforts?
Slaves worked 89 percent as many hours per year as whites.
[Trevon Logan](http://www.econ.ohio-state.edu/trevon/pdf/Pres_Address_09-02...) did an experiment seeing how much cotton his children could pick in a day and found that they picked 95% of what the slaves picked of the same age.
Only 1.2% of the former slaves interviewed by the Works Progress Administration in the 1930s reported having been raped by a master. Today, 22% of black women report having been raped.
According to Steven Crawford in "The Slave Family: A view from the slave narratives", 51% of black slaves had intact families. In 2011, only 37% of blacks had intact families.