Year	Percent
1990	0
1993	0.00078
1994	0.01364
1995	0.04308
1996	0.09858
1997	0.19882
1998	0.30108
1999	0.40539
2000	0.71618
2001	1.23876
2002	1.87389
2003	3.14813
2004	3.48948
2005	3.74976
2006	4.50612
2007	6.55
2008	11
2009	17.9
2010	23.3
2011	28.70826
2012	35.27
2013	40.95413
2014	46.23598
2015	48.88464
2016	53