Year	Percent
1990	0
1995	0.96003
1996	1.74695
1997	1.36295
1998	2.33559
1999	3.76456
2000	8
2001	11.8
2002	18
2003	20
2004	22
2005	25
2006	26
2007	27
2008	31.54
2009	33.88
2010	43
2011	65
2012	71.7482
2013	72
2014	76.92
2015	78
2016	80