Year	%
2002	56.5
2003	56.5
2005	55.51
2006	55.51
2007	55.51
2008	55.51
2009	54.62
2010	54.62
2011	54.62
2012	53
2013	53
2014	53
2015	53
2016	53
2018	53.73
2019	53.69
2020	53.69
2021	53.69