Year	Percent
1990	0
1995	0
1996	0.00151
1997	0.00295
1998	0.00716
1999	0.01391
2000	0.02
2001	0.07904
2002	0.11561
2003	0.3762
2004	1.05345
2005	1.07733
2006	1.10022
2007	1.12224
2008	1.14269
2009	1.16061
2011	1.25
2012	1.3767
2013	1.5
2014	1.63
2015	1.76
2016	1.88