Year	%
1995	7.58
1996	7.11
1997	4.85
1998	5.06
1999	9.58
2000	3.93
2001	4.51
2002	4.47
2003	4.42
2004	5.45
2005	5.49
2006	4.8
2007	5.5
2008	4.74
2009	4.98
2010	4.64
2011	4.92
2012	4.81
2013	5.28
2014	5.08
2015	5.11
2016	6.25
2017	6.36
2018	6.32
2019	6.72
2020	7.09
2021	6.6