The numbers are far, far, far, far fewer than 0.3% of the population.
It is more accurate to say the number of criminally perverse sexual deviants known to society might be about 0.3%, and their numbers dwindle rapidly after they are allowed into the general orison population.
Except when they flood an area - say, big cities where they take up a lot of air. (I’m talking about the gay community.)