Year	%
1995	8.66
1997	6.8
1998	6.98
1999	5.94
2000	5.81
2001	6.52
2002	6.11
2003	6.53
2004	6.16
2005	5.82
2006	5.39
2007	5.4
2008	5.17
2009	5.48
2010	5.32
2011	5.16
2012	6.7
2013	5.15
2014	4.76
2015	4.76
2020	5.45
2021	5.27