Year	Percent
1990	0
1996	0.27804
1997	0.57068
1998	1.85872
1999	2.79759
2000	3.73486
2001	4.66053
2002	5.5701
2003	9.2325
2004	11.01787
2005	11.88137
2006	12.75034
2007	13.62113
2008	14.49
2009	15.35
2010	20
2011	22.8
2012	25.97442
2013	27.8
2014	29.65
2015	31.50108
2016	33.35216