Year	Percent
1990	0
1994	0.00041
1995	0.00418
1996	0.01583
1997	0.04676
1998	0.09982
1999	0.37857
2000	0.93419
2001	1.48422
2002	4.62618
2003	6.93372
2004	7.49
2005	8.1
2006	8.76
2007	9.47
2008	12.02
2009	13.8
2010	15.9
2011	19
2012	22.73
2013	29.95
2014	39.35
2015	45.33498
2016	53.22677
2017	60.41636