Year	%
1995	27.3
2000	25.7
2003	24.6
2004	25.5
2005	26.3
2006	26.7
2007	26
2008	26
2009	26
2010	25.6
2011	25.6
2012	26.6
2013	26.4
2014	26.1
2015	26.2
2016	25.9
2017	25.9
2018	24.9
2019	24.9
2020	25.2
2021	24.8