Just of farmers.
Also note: just 20 unarmed black men are killed by US police every year.
Adjusting for demographics, this would be the equivalent of white people breaking into 750 law-abiding blacks' homes every year and gouging out their eyes and raping them to death while boiling their children alive.
By the way, there were roughly 2500 lynchings of blacks in the ENTIRE HISTORY of the United States.
South African blacks are currently committing the equivalent number of ultra-violent torture-murder of whites every 3 years and 4 months.