Year	Percent
1995	95.01312
1999	94.35631
2000	97.78653
2001	97.26115
2002	97.1417
2003	95.3809
2004	96.22394
2005	99.48995
2006	98.03026
2007	92.91347
2008	91.37655
2009	92.81584
2010	91.9797
2011	91.09963
2012	89.63885
2013	93.03944
2014	91.96939
2015	90.90861