Year	Percent
1990	0
1995	0.19021
1996	0.93019
1997	3.08375
1998	3.52003
1999	4.07073
2000	4.86368
2001	6.17027
2002	10.22613
2003	19.24234
2004	20.70165
2005	24.73349
2006	28.97411
2007	37
2008	44.3
2009	53.1
2010	69
2011	69
2012	69.3
2013	85.3
2014	91.49
2015	92.88483
2016	94.29112