The number of abortions in the U.S. is at a 40-year low, according to a new study published Tuesday by the pro-choice Guttmacher Institute. The report counted 926,200 abortions in 2014, down by 12.5 percent from Guttmacher’s previous survey in 2011, which tallied 1.06 million abortions across the country. Only 14.6 abortions occurred per 1,000 American…