Year	%
1995	8.97
1996	7.8
1997	9.76
1998	8.05
1999	7.7
2000	8.35
2001	8.8
2002	7.18
2003	7.18
2004	6.85
2005	6.01
2006	5.92
2007	6.51
2008	6.47
2009	6.71
2010	6.65
2011	6.35
2012	6.31
2013	5.77
2015	6.02
2018	7.38
2020	7.65
2021	8.04