GMAT Critical Reasoning (CR) | Re: Outlaw motorcycle gangs are blaming media sensationalism for the growi

Outlaw motorcycle gangs are blaming media sensationalism for the growing public clamour for banning tattoo parlours run by bikers in city A. They cite crime data from the last decade, which show that only 0.37 percent of all offences are committed by bikers, in support of their claim that their culture is not a threat to mainstream society.

Evaluation of the argument of the bikers is not possible without answer to which of the following questions?

What percentage of regular traffic rules violators