Year	%
1995	6.3
1996	6.62
1997	6.9
1998	5.81
2000	6.34
2001	4.62
2002	4.29
2003	4.01
2004	1.7
2005	5.44
2006	12.16
2007	10.48
2008	10.28
2009	8.95
2010	7.66
2011	8.79
2012	8.62
2013	8.59
2014	8.71
2015	9.47
2016	9.63
2017	7.71
2018	8.64
2019	7.83
2020	7.37
2021	8.04