Year	Percent
1990	0
1997	0.00584
1998	0.01632
1999	0.03197
2000	0.04702
2001	0.07696
2002	0.22698
2003	0.26057
2004	0.30044
2005	0.31732
2006	0.46836
2007	0.49
2008	0.51
2009	0.53
2010	1.26
2011	3.1
2012	4.94
2013	6.8
2014	14
2015	22.32744
2016	32.39845
2017	34