Year	%
1995	49.51574
1997	49.51574
2001	47.02886
2002	53.0303
2003	57.70021
2004	54.19463
2005	61.00386
2006	60.71429
2007	51.40713
2008	60.38544
2009	60.89334
2010	54.61712
2011	53.71655
2013	59.63665
2015	36.81592
2016	49.60362