Year	Percent
1990	0
1995	6.83816
1996	16.20247
1997	24.18926
1998	32.10376
1999	39.94759
2000	42.94986
2001	47.5097
2002	52.0316
2003	56.52201
2004	60.99087
2005	65.44707
2006	69.89966
2007	74.35059
2008	82.3
2009	83.25
2010	84.21
2011	88.336
2012	91.2993
2013	95.3
2014	96.8
2015	98.32361
2016	98