Year	Percent
1990	0
1995	0.00617
1996	0.00903
1997	0.05875
1998	0.28675
1999	0.33622
2000	1.64474
2001	2.41698
2002	2.6337
2003	3.35984
2004	3.80472
2005	4.01005
2006	4.39887
2007	4.83561
2008	5.329
2009	6.5
2010	11.6
2011	12
2012	12.9414
2013	13.9
2014	14.84
2015	25.68785
2016	31.03335