01.01.70
See sorrowful to let you down but here are some cold hard facts...
Here are a few links with a compilation of facts found elsewhere mostly from the CDC
On the lacking in lifespan of homosexuals,
http://theroadtoemmaus.org/RdLb/22SxSo/PnSx/HSx/hosx_lifspn.htm
Odds of getting AIDS through vaginal sex
http://www.straightdope.com/columns/assume from/895/what-are-the-odds-of-getting-aids-from-ordinary-heterosexual-sex
Odds of a US man getting AIDS from a lady through heterosexual sex can be deserned quite easily
UNAIDS estimates that in the U.S., living with HIV as of 2009, 310,000 are women.
total US inhabitants 308,745,538
Lets just go with about 50% are female = 154,372,000 female citizens.
Lets then say you take absolutely no care and sleep with anyone willy nilly. Your odds of getting a female with AIDS is 1 in @ 4970.
Lets go with the pro in the Knox information sentinal article who said on average, heterosexual intercourse between an infected mortal physically and a non infected person results in transmission of the disease about "one in a thousand times.
Source: SouthFloridaGayNews.com