Year	Percent
1990	0
1994	0.00014
1995	0.00067
1996	0.00195
1997	0.0038
1998	0.0062
1999	0.06081
2000	0.09542
2001	0.17554
2002	0.40202
2003	0.45096
2004	0.50882
2005	0.54225
2006	0.63749
2007	0.78003
2008	0.92
2009	0.94
2010	1
2011	2
2012	3.1
2013	4.5
2014	6.4
2015	8.2
2016	9.8