Year	Percent
1990	0
1995	0.30566
1996	0.67047
1997	0.99217
1998	1.30499
1999	1.93211
2000	5.09048
2001	8.18186
2002	14.64184
2003	20.98247
2004	21.39521
2005	21.56758
2006	24.5
2007	27.9
2008	30
2009	31
2010	32.5
2011	34
2012	34.82
2013	36
2014	39.7
2015	42.53093
2016	46.72908