Year	%
1996	21.2
1999	18.77
2000	7.2
2001	7.22
2002	7.22
2003	7.22
2004	7.3
2006	7.33
2007	7.47
2010	7.47
2011	7.47
2012	10.39
2013	10.39
2015	8.5
2016	8.5
2020	8.52
2021	8.52