Year	%
1994	32.96
1996	28.28
1997	26.46
1998	20.92
2000	13.67
2001	13.28
2003	13.33
2006	13.35
2008	13.05
2009	12.96
2010	12.09
2011	12.55
2012	12.06
2013	11.55
2014	11.49
2015	11.48
2016	11.5
2019	11.54
2020	11.53
2021	11.53