Year	%
1995	9.72
1996	10.7
1997	8.49
1998	6.48
1999	5.7
2000	4.76
2001	4.71
2002	5.08
2003	5.69
2004	5.1
2005	5.08
2006	5.7
2007	4.99
2008	5.6
2009	4.62
2010	4.61
2011	4.6
2012	4.57
2013	4.57
2014	4.57
2016	4.57
2018	4.57
2019	4.57
2020	4.57
2021	4.57