Year	Percent
1990	0
1999	0.04502
2000	0.13328
2001	0.17521
2002	0.30213
2003	0.42518
2004	0.75405
2005	0.99726
2006	1.31957
2007	1.40636
2008	1.75
2009	1.95
2010	3
2011	5
2012	7.1958
2013	9.6
2014	12.2
2015	14.99677
2016	17.99032