Year	Percent
1990	0
1991	0.00588
1992	0.01731
1993	0.02831
1994	0.04334
1995	0.10256
1996	0.20041
1997	0.62731
1998	1.26578
1999	1.85744
2000	5.08138
2001	7.03802
2002	11.9
2003	12.9
2004	14.1
2005	17.21
2006	19.52
2007	20.81
2008	21.71
2009	26.34
2010	31.05
2011	37.1763
2012	39.75
2013	43.46
2014	44.39
2015	57.43104
2016	59.54045
2017	63.85225