Year	Percent
1990	0
1995	0.12863
1996	0.48325
1997	0.92637
1998	1.854
1999	2.782
2000	3.24504
2001	5.09481
2002	5.54959
2003	6.46227
2004	7.37117
2005	9.19828
2006	12
2007	16
2008	21
2009	31
2010	33.7
2011	36.7
2012	40
2013	43.5
2014	47.4
2015	51.77
2016	55.57462
2017	65.56