Year	Percent
1995	72.37802
1996	76.76249
1997	72.8579
1998	85.92638
1999	84.69139
2000	84.60515
2001	89.75926
2002	97.78767
2003	99.37308
2004	97.98847
2005	94.87391
2015	98.82652
2016	93.96228