Apartheid ended in 1994. Further commentary is needed to explain your graph, which shows a steady decline in the murder rate until about 2012, then a dramatic rise.
Diversity took South Africa from 1st world status to 3rd world.
Coming soon to an America near you.
Of course, the whites being genocided in South Africa are not allowed into the United States as refugees. But the rest of the 3rd world is..... i wonder why.
Many societal seeds take a while to germinate.