12.7% of women have breast cancer. Of all my relatives and friends... i know none.
55% of americans are overweight. out of my closer group of friends... about 20-30 people. There's only 1 overweight person.
you can't extrapolate numbers. especially with homosexuality in sports. or putting a national statistic into a small field. a field that isn't greatly diverse.
Sure you can, just ask the Brits