Year	%
1996	23.56
1999	23.34
2000	12.42
2001	12.44
2002	12.45
2003	12.45
2004	13.11
2006	13.13
2007	13.82
2010	13.82
2011	13.82
2012	15.44
2013	15.44
2015	16.24
2016	16.22
2020	16.21
2021	16.21