Year	%
1995	42.36
1996	42.28
1997	42.28
1998	42.28
1999	42.28
2001	42.28
2002	42.28
2003	41.44
2004	41.44
2005	41.44
2006	41.44
2007	40.24
2008	40.24
2009	40.24
2010	40.24
2011	40.24
2012	40.24
2013	40.24
2014	40.24
2015	40.4
2016	40.4
2017	40.6
2018	40.6
2019	40.6
2020	40.6
2021	40.6