Year	Percent
1990	0
1994	0.10717
1995	0.18805
1996	0.33002
1997	0.55052
1998	1.12623
1999	1.69773
2000	2.20753
2001	2.8542
2002	4.6
2003	7.38892
2004	9.11869
2005	11.00726
2006	15.34167
2007	21.8
2008	25.6
2009	30
2010	36.5
2011	40.35092
2012	48.98
2013	51.7
2014	52.57
2015	55.90497
2016	58.13649
2017	62.25988