Year	%
1995	3.62
1996	12.84
1997	12.84
1998	12.84
1999	8.49
2001	10.7
2002	11.07
2003	10.39
2004	10.54
2005	10.12
2006	8.21
2007	7.87
2008	7.87
2009	7.55
2010	7.55
2011	7.91
2012	7.39
2013	7.39
2014	7.39
2015	4.27
2016	4.27
2017	14.12
2018	13.82
2019	6.96
2020	10.48
2021	9.48