1990 "Homosexuality/Heterosexuality: Concepts of Sexual Orientation" published findings of 13.95% of males and 4.25% of females having had either "extensive" or "more than incidental" homosexual experience.
1990 Raamatus "Homoseksuaalsus/heteroseksuaalsus: seksuaalse sättumuse käsitlused" avaldatud andmete järgi omab 13,95% meestest ja 4,25% naistest kas "laialdast" või "enam kui juhuslikku" homoseksuaalset kogemust.