Year	Percent
1990	0
1992	0.01208
1993	0.04159
1994	0.05549
1995	0.12221
1996	0.24826
1997	0.39096
1998	1.38399
1999	2.83983
2000	3.3596
2001	4.636
2002	4.91045
2003	7.49996
2004	8.40447
2005	12.553
2006	15.22471
2007	20.83
2008	25.88
2009	32.7
2010	37.37
2011	40.22
2012	49.05008
2013	54.9
2014	57
2015	61.86925
2016	60