What's the percentage of accusations in the workplace that turn out to be unsubstantiated? And what percentage of those result in any consequence for the report

What's the percentage of accusations in the workplace that turn out to be unsubstantiated? And what percentage of those result in any consequence for the reportee rather than the reporter? Most workplaces don't feature many accusations of rape, real or false, so a 2% rate for all of life doesn't seem particularly relevant.