Year	%
1995	4.02
1996	18.26
1997	18.26
1998	18.26
1999	13.62
2001	14.81
2002	14.95
2003	14.85
2004	14.96
2005	14.95
2006	11.47
2007	12.77
2008	12.76
2009	12.87
2010	12.87
2011	13.29
2012	11.84
2013	11.86
2014	11.86
2015	14.35
2016	14.35
2017	17.33
2018	17.86
2019	15.14
2020	16.89
2021	13.56