The study uses the most recent data available from the Federal Bureau of Investigation's unpublished Supplementary Homicide Report and is released each year to coincide with Domestic Violence Awareness Month in October. Ranked behind Nevada were: South Carolina at 2 with a rate of 2.84 per 100,000; Alabama at 3 with a rate of 2.20 per 100,000; Oklahoma at 4 with a rate of 2.10 per 100,000; Louisiana at 5 with a rate of 1.97 per 100,000; Vermont at 6 with a rate of 1.90 per 100,000; Texas at 7 with a rate of 1.82 per 100,000; Arkansas at 8 with a rate of 1.74 per 100,000; Arizona at 9 with a rate of 1.72 per 100,000; and, Tennessee at 10 with a rate of 1.70 per 100,000. Nationally, the rate of women killed by men in single victim/single offender instances was 1.29 per 100,000.