Year	Percent
1990	0
1996	0.00169
1997	0.02465
1998	0.04788
1999	0.15491
2000	0.22525
2001	0.36342
2002	0.70295
2003	0.95133
2004	1.18254
2005	1.27103
2006	1.53785
2007	1.79
2008	1.85
2009	2.24
2010	3.13
2011	4.14832
2012	4.5
2013	4.9
2014	6
2015	11.25499
2016	11.99405