Year	%
1995	11.17
1996	11.4
1997	7.81
1998	7.26
1999	12.51
2000	5.4
2001	6.74
2002	6.72
2003	6.77
2004	7.32
2005	7.34
2006	7.36
2007	7.62
2008	7.61
2009	7.63
2010	7.74
2011	7.61
2012	8.1
2013	8.21
2014	8.09
2015	8.09
2016	8.18
2017	8.11
2018	8.01
2019	8.11
2020	8.11
2021	8.11