Year	Percent
1990	0
1996	0.00748
1998	0.024
1999	0.07066
2000	0.23127
2001	0.34083
2002	0.89343
2003	1.64736
2004	5.40126
2005	6.3762
2006	6.796
2007	7.2
2008	7.6
2009	8.1
2010	8.37
2011	9
2012	9.8
2013	10.6
2014	11.4
2015	12.1977
2016	12.2326