20152014201320122011
US engagement56.2%56.3%56.9%56.6%53.5%
US non-engagement26.7%26.6%26.9%27.8%30.4%
International engagement13.7%13.7%13.1%12.5%12.9%
International non-engagement3.4%3.4%3.2%3.1%3.1%