Year	Percent
2000	45.54156
2001	46.44233
2002	47.3431
2003	48.24386
2004	49.14463
2005	50.0454
2006	50.94617
2007	51.84693
2008	52.7477
2009	53.64847
2010	54.54923
2011	55.45
2012	56.35077
2013	57.25153
2014	57.25153
2015	57.25153
2016	57.25153
2017	57.25153