Year	%
1984	8.6
1987	5.4
1990	6.4
1993	5.3
1996	6.2
1998	5.5
1999	5
2000	4.4
2001	4.1
2002	5
2003	5.8
2004	7.3
2005	7.2
2006	8.1
2007	8.4
2008	8.3
2009	7.8
2010	9.5
2011	9.6
2012	9.1
2013	8.5
2014	9
2015	10.1
2016	11.9
2017	12.8
2018	12.3
2019	11.7
2020	11.8
2021	11.5
2022	9.9
2023	9.3