Year	%
1995	99.20121
1998	99.40856
1999	99.68389
2000	99.85129
2001	99.53672
2003	99.56372
2004	99.95183
2007	99.44322
2008	99.42585
2009	99.82679
2010	99.47679
2011	99.61093
2012	99.54882
2013	99.39714
2014	99.32959
2015	99.73484
2016	99.82892