Year	%
1995	2.53
1996	8.62
1997	8.62
1998	8.62
1999	5.64
2001	10.61
2002	10.59
2003	11.2
2004	11.2
2005	10.62
2006	8.39
2007	8.74
2008	8.74
2009	9.02
2010	9.02
2011	7.68
2012	7.46
2013	7.46
2014	7.46
2015	7.37
2016	7.37
2017	9.12
2018	8.18
2019	7.35
2020	8.88
2021	7.32