Year	%
1995	5.18
1996	4.6
1997	5.31
1998	4.73
2000	4.5
2001	3.47
2002	2.72
2003	3.32
2004	1.74
2005	5.89
2006	9.54
2007	8.48
2008	8.51
2009	7.89
2010	6.32
2011	6.37
2012	6.18
2013	6.39
2014	5.99
2015	9.35
2016	7.86
2017	6.83
2018	7.74
2019	7.54
2020	7.2
2021	7.51