Year	Percent
1990	0
1994	0.00106
1995	0.02611
1996	0.05662
1997	0.19491
1998	0.25531
1999	0.44442
2000	0.92556
2001	2.01861
2002	2.13414
2003	2.38702
2004	2.60029
2005	3.60202
2006	4.76481
2007	5.78627
2008	7.91748
2009	6.92
2010	10.92
2011	12.28
2012	14.52
2013	14.94
2014	17.14
2015	21.97607
2016	25.45
2017	32.29244