zero? In any case, it'd be quite strange to personally know two cases where such a false accusation was proven, considering how rare both false accusations are

zero? In any case, it'd be quite strange to personally know two cases where such a false accusation was proven, considering how rare both false accusations are, and how difficult it is to prove them. You data would furthermore suffer from the fact that almost no one will tell you they were raped, whereas accusations of rape and a trial are usually widely known.