Year	%
2002	23.21
2003	23.98
2004	23.98
2005	24
2006	24.53
2007	25.25
2008	25.06
2009	24.94
2012	12.88
2015	6.34
2016	6.35
2017	12.83
2020	12.85
2021	12.85