Year	%
2001	16.48
2002	16.48
2003	16.48
2005	14.25
2006	14.25
2007	14.15
2008	14.21
2010	12.02
2011	10.6
2012	10.6
2014	10.61
2016	10.56
2020	10.37
2021	10.15