Examination of homosexual behavior separately finds that 6.2, 4.5, and 10.7% of males and 3.6, 2.1, and 3.3% of females in the United States, the United Kingdom, and France, respectively, report having had sexual contact with someone of the same sex in the previous 5 years
Но там правильно поднимается вопрос по каким параметрам считать ориентацию.
no subject
www.ncbi.nlm.nih.gov/pubmed/7611844
Examination of homosexual behavior separately finds that 6.2, 4.5, and 10.7% of males and 3.6, 2.1, and 3.3% of females in the United States, the United Kingdom, and France, respectively, report having had sexual contact with someone of the same sex in the previous 5 years
Но там правильно поднимается вопрос по каким параметрам считать ориентацию.