Assuming the prior probability of politically-motivated violent incidents to be greater than zero, X incidents where X/(number of supporters) is roughly equal to the incidence for the entire population offers very little evidence of anything, so X*100 is trivially more than a hundred times the evidence.
Assuming the prior probability of politically-motivated violent incidents to be greater than zero, X incidents where X/(number of supporters) is roughly equal to the incidence for the entire population offers very little evidence of anything, so X*100 is trivially more than a hundred times the evidence.