Year	%
1995	11
1996	7.74
1997	10.09
1998	8.52
1999	8.64
2000	8.1
2001	7.7
2002	7.05
2003	7.02
2004	7.05
2005	7
2006	6.97
2007	7.43
2008	7.54
2009	7.4
2010	7.4
2011	7.4
2012	8.05
2013	7.91
2015	8
2018	7.98
2020	7.94
2021	8.15