You can't even average that out, because the vast majority of those 13,000 "terrorist attacks", if true, are certainly inside countries where they are basically

You can't even average that out, because the vast majority of those 13,000 "terrorist attacks", if true, are certainly inside countries where they are basically at war with each other. And in many of those countries, US contributes to the kill count, although I assume these reports don't count that as "terrorism", even as they blow up 15 people going to a wedding.