Year	%
1987	7
1994	7
1995	6.8
1996	7.1
2000	7.8
2002	7.6
2003	7.7
2004	7.6
2005	7.7
2006	7.9
2007	8.2
2008	8.2
2009	7.7
2010	7.6
2011	7.4
2012	7.5
2013	7.3
2014	7.9
2015	8
2016	7.9
2017	8.4
2018	8.7
2019	8.6
2020	9
2021	8.9