Year	Percent
1990	0
1994	0.00678
1995	0.00878
1996	0.00907
1997	0.00933
1998	0.03023
1999	0.14705
2000	0.19107
2001	0.23313
2002	0.47775
2003	0.98048
2004	2.01355
2005	2.85175
2006	4.15991
2007	4.87
2008	5.55
2009	6.31
2010	10
2011	11.5
2012	13.4682
2013	15.4
2014	19
2015	21
2016	25.50658