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	10.53
2007	10.27
2008	10.27
2009	9.78
2010	9.78
2011	9.78
2012	9.63
2013	9.63
2014	9.63
2015	10.74
2016	10.74
2017	14.12
2018	14.17
2019	14.57
2020	14.05
2021	13.38