Year	Percent
1990	0
1995	0.0454
1996	0.88281
1997	1.28858
1998	2.09152
1999	4.07674
2000	5.96384
2002	5.68425
2004	9.8
2005	17
2006	24
2007	24.6
2008	26.3
2009	27.2
2010	28.2
2011	30.7
2012	31
2013	33.6
2014	38.7
2015	41.59
2016	44.57574