Yeah I realized the % sign right after I posted that, but what about the fact that some places were more tested than others...How can you get tested to see if you are H9 or not? 
They usually have people in universities that sign up or are just part of the university to get tested. I know it's flawed and not 100% accurate...
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"One of the Germans... would frequently snatch a child from the
woman's arms and... tear the child in half... Such incidents...
occurred all the time." - A Year in Treblinka, Yankel Wiernik,
Treblinka's "most authoritative eyewitness"