Year % 1995 99.3736 1998 99.55471 1999 100 2000 99.75328 2001 99.82145 2003 99.85708 2004 99.96631 2007 99.59264 2008 98.82057 2009 99.67569 2010 99.44637 2011 99.64196 2012 99.37888 2013 99.40232 2014 99.3088 2015 99.98306 2016 99.96716