<Tr> <Td> 5 </Td> <Td> Predominantly homosexual, only incidentally heterosexual </Td> </Tr> <Tr> <Td> 6 </Td> <Td> Exclusively homosexual </Td> </Tr> <Tr> <Td> X </Td> <Td> No socio - sexual contacts or reactions </Td> </Tr> <Ul> <Li> Men: 11.6% of white males aged 20--35 were given a rating of 3 for this period of their lives . </Li> <Li> Women: 7% of single females aged 20--35 and 4% of previously married females aged 20--35 were given a rating of 3 for this period of their lives . 2 to 6% of females, aged 20--35, were given a rating of 5 and 1 to 3% of unmarried females aged 20--35 were rated as 6 . </Li> </Ul>

Which of the following statements is true about major surveys such as the kinsey reports