Year	%
1995	9.98
1996	9.19
1997	6.42
1998	5.52
1999	10.52
2000	3.78
2001	4.74
2002	4.72
2003	4.75
2004	5.21
2005	5.61
2006	5.57
2007	5.61
2008	5.57
2009	5.57
2010	5.59
2011	5.56
2012	5.73
2013	5.75
2014	5.72
2015	5.72
2016	5.73
2017	5.71
2018	5.69
2019	5.71
2020	5.72
2021	5.72