Ibid , Table NUMBER@1 , p. NUMBER@2 , and p. NUMBER@3 Marital coitus The average frequency of marital sex reported by women was NUMBER@4 times a week , in late teens ; NUMBER@5 times a week , by age NUMBER@6 ; and NUMBER@7 times a week , by age NUMBER@8 .

How often they have sex : Women reported to have had sex NUMBER@4 times a week -LRB- in the late teens -RRB- , NUMBER@5 times a week by age NUMBER@6 , and once a week by age NUMBER@8 .
