Year	%
1995	9.61
1996	8.53
1997	5.99
1998	5
1999	9.92
2000	3.29
2001	4.14
2002	4.12
2003	4.13
2004	4.56
2005	5.08
2006	5.02
2007	4.98
2008	4.93
2009	4.93
2010	4.93
2011	4.93
2012	4.89
2013	4.86
2014	4.86
2015	4.86
2016	4.85
2017	4.84
2018	4.85
2019	4.85
2020	4.85
2021	4.85