Year	Percent
1990	0
1992	0.1532
1993	0.30216
1994	0.49649
1995	1.59094
1996	5.55165
1997	7.1427
1998	11.74555
1999	17.38796
2000	22.88733
2001	36.16342
2002	39.84
2003	54.55
2004	65.88
2005	70
2006	72.51
2007	78.92
2008	82.23
2009	87.31
2010	90.62
2011	90.02986
2012	91.94992
2013	93.7765
2014	94.67
2015	96.38
2016	98.1367
2017	97.82763