Year	%
2002	24.16
2003	24.16
2005	23.46
2006	23.46
2007	23.46
2008	23.46
2009	22.61
2010	22.61
2011	22.61
2012	22.93
2013	22.93
2014	22.93
2015	22.93
2016	22.93
2018	23.08
2019	23.08
2020	23.08
2021	23.08