Year	Percent
1990	0
1995	0.00153
1996	0.00429
1997	0.01054
1998	0.02075
1999	0.03069
2000	0.48435
2001	0.59757
2002	1.08194
2003	1.9126
2004	2.59373
2005	3.34351
2006	6.38832
2007	7.4906
2008	9.08011
2009	11.9
2010	15.9
2011	18.6
2012	23.6
2013	26.8
2014	35.5
2015	42.8
2016	46.79129