Table of Contents COMPOSITE 2012 2013 2014 2015 2016 2017 25.0 24.6 25.4 25.1 24.8 25.2 Pine-Richland 22.4 22.7 22.7 22.9 23.1 23.7 Pennsylvania 21.1 20.9 21.0 21.0 20.8 21 United States 119