Year	Percent
1990	0
1993	0.00017
1994	0.00117
1995	0.00495
1996	0.01308
1997	0.03239
1998	0.16854
1999	0.70819
2000	1.77591
2001	2.63965
2002	4.5957
2003	6.2
2004	7.3
2005	8.52326
2006	10.52315
2007	16
2008	22.6
2009	28.9
2010	34.3
2011	38.3
2012	42.30012
2013	45.8
2014	47.9
2015	50.3
2016	53.2
2017	54.3