Year Number 2004 87.0646743774414 2005 83.8235321044922 2006 91.1764678955078 2007 91.2621383666992 2008 92.7184448242188 2009 99.5215301513672 2010 100 2011 99.5260696411133 2012 100 2013 100 2014 97.1153869628906 2015 99.0476226806641 2016 98.0952377319336 2017 94.7619018554688 2018 90.476188659668 2019 90.9523773193359 2020 92.8571395874023 2021 93.3333358764648 2022 92.9245300292969