Year	Percent
1990	0
1995	0.11472
1996	0.22631
1997	1.00309
1998	1.67015
1999	1.89187
2000	2.50641
2001	3.06445
2002	4.16157
2003	4.71988
2004	6.07605
2005	6.40309
2006	9.49963
2007	14.11
2008	21.06
2009	31.36
2010	31.59
2011	32
2012	34.6812
2013	37.4
2014	40.08
2015	42.76383
2016	45.4