Year	%
2003	40.11
2004	40.11
2006	40.11
2007	42.84
2008	42.72
2009	42.43
2010	42.24
2011	42.05
2012	41.99
2013	41.92
2015	40.12
2017	40.12
2018	40.12
2019	40.12
2020	40.12
2021	40.12