[ProfessorLayton]

Your numbers are way, way off [1].

Receptive vaginal sex: 0.08% (1 transmission per 1,250 exposures)

Insertive vaginal sex: 0.04% (1 transmission per 2,500 exposures)

Receptive anal sex: 1.4% (1 transmission per 71 exposures.)

Insertive anal sex: 0.11% (1 transmission per 909 exposures)

[1] https://stanfordhealthcare.org/medical-conditions/sexual-and...

[a_t48]

Ah, I didn't read carefully - https://stanfordhealthcare.org/medical-conditions/sexual-and.... is my source, this was for acute infections. Regardless, it's still more than an order of magnitude of difference. Sadly too late to edit.