Year	%
1995	46.34221
1997	46.34221
2001	46.64926
2002	46.85921
2003	48.1274
2004	46.88496
2005	53.05948
2006	50.55933
2007	44.82183
2008	47.0528
2009	47.88994
2010	46.71647
2011	45.90717
2013	47.48201
2015	44.94109
2016	49.652