Year	%
1995	9.93
1996	6.93
1997	8.75
1998	7.52
1999	7.55
2000	7.27
2001	6.91
2002	5.89
2003	5.86
2004	5.9
2005	5.59
2006	5.58
2007	5.61
2008	5.63
2009	5.58
2010	5.58
2011	5.58
2012	5.76
2013	5.72
2015	5.74
2018	5.72
2020	5.72
2021	5.79