Year	Percent
1990	0
2000	1.11131
2001	1.83685
2002	3.10009
2003	4.13062
2004	4.4009
2005	16.005
2006	18.41
2007	21.176
2008	24.358
2009	32.23
2010	37.4
2011	41.08
2012	43.4
2013	46.6
2014	53.67
2015	57.42419
2016	61.17838