Year	%
2003	6.2
2004	6.4
2005	6.7
2006	6.7
2007	6.9
2008	6.9
2009	7.2
2010	7
2011	6.8
2012	6.4
2013	6.2
2014	6.5
2015	6.7
2016	6.9
2017	7.4
2018	7.4
2019	7.6
2020	6.9
2021	7.4