Year % (cumulative) 2000 75.9800033569336 2001 77.25 2002 76.7200012207031 2003 76.4000015258789 2004 77.3399963378906 2005 78.5699996948242 2006 79.5 2007 80.1399993896484 2008 81.3899993896484 2009 81.7600021362305 2010 82.5299987792969 2011 83.4000015258789 2012 84.3099975585938 2013 84.9199981689453 2014 85.2900009155273 2015 86.729118347168 2016 92.0139389038086 2017 96.4996109008789