Year	%
1999	9.3
2001	9.3
2002	7.3
2003	6.3
2004	8
2005	6.9
2006	7
2007	8.2
2008	6.4
2009	5.7
2010	6.1
2011	6.5
2012	7.3
2013	8
2014	8.4
2015	8.8
2016	11.8
2017	6.9
2018	7.8
2019	7.3
2020	4.6
2021	6.3
2022	6.9