Year	Percent
1990	0
1996	2.76838
1999	4.50618
2000	15.44282
2001	17.1
2002	18.8
2003	20.8
2004	23
2005	25.4
2006	28
2007	30.9
2008	52
2009	58
2010	62
2011	69
2012	74
2013	78.9
2014	83.78
2015	88.66123
2016	93.54245