Year	%
1999	7.6
2001	7.7
2002	8
2003	8.7
2004	7.6
2005	8.1
2006	8.9
2007	8.4
2008	9.1
2009	9.4
2010	9.1
2011	9
2012	9
2013	8.6
2014	8.4
2015	8.2
2016	7.9
2017	8.4
2018	8.1
2019	8.9
2020	10.2
2021	9.4
2022	9.2