Year	Percent
1995	94.94225
2002	96.39881
2003	95.16994
2004	96.50727
2005	99.41259
2006	97.64873
2007	92.87085
2008	90.48338
2009	91.46501
2010	92.65368
2011	90.17375
2012	89.96171
2013	92.71388
2014	92.40326
2015	91.06886