The following graph shows the results of a study evaluating the number of schools teaching different sex-education topics. A graph titled Sex Education in Schools shows years on the horizontal axis and percentages on the vertical axis. The percentage of schools teaching sex education has declined across a range of topics. Teaching about abstinence decreased from 99% in 2000 to 78% in 2014. Teaching about resisting peer pressure decreased from 90% in 2000 to 75% in 2014. According to the graph, teaching about abstinence declined to about what percentage in 2014? 40 percent 65 percent 78 percent 85 percent