From Laumann et al. (1994)

                  % of people giving each response

1) Self-identification of sexual orientation

                         Men                 Women

 
 
Heterosexual              97%                 98.5%

 
Homosexual                 2%                  1%

 
Bisexual                   1%                  0.5%

2)   Sexual Behaviour

                           Men                  Women

Same-sex partners

Only, past year             2%                    1%

Both male and

Female partners,

Past year                   1%                    1%

Male and female

Partners, since

Age 18                       4%                  3.7%