REASONS GIVEN FOR ABORTIONS: AGI SURVEY, 2004 [6]
http://www.johnstonsarchive.net/policy/abortion/abreasons.html
2004 is the most recent year given.
Less than 7.5% of abortions were because of rape, incest, mother health problems, or fetus health problems.
I deem your counter-argument a failure.
Does that make my comment any less true? No, it does not. I hope you didn't waste too much time rushing out to find that information.