Year	Percent
1990	0
1995	0.54876
1996	1.16552
1998	2.92535
1999	2.93216
2000	8.81484
2001	13.24523
2002	18.42489
2003	23.62042
2004	30.31961
2005	38.54364
2006	39.39817
2007	40.27446
2008	41.16
2009	42.02
2010	47.45
2011	48.6
2012	49.8
2013	51
2014	57.5
2015	65
2016	67.03