Year	%
1982	7.4
1992	7.5
2000	7.8
2002	8.1
2006	7.4
2007	7.4
2008	7.5
2009	7.8
2010	7.8
2011	7.9
2012	8.1
2013	7.9
2014	7.8
2015	7.8
2016	7.6
2017	7.7
2018	7.5
2019	7.4
2020	7.5