Year	%
1996	58.64865
1997	60.73241
1998	60.73241
1999	54.82176
2000	23.17731
2001	54.79452
2002	55.27366
2003	55.81261
2006	47.07865
2007	51.30053
2010	56.11034
2011	37.41688
2012	40.22518
2013	46.77749
2015	64.58758
2016	46.51222
2017	45.55215
2020	50.55644