Year	%
1993	4.89
1996	4.1
2001	7.22
2002	9.69
2003	9.61
2004	8.54
2005	7.61
2006	7.29
2007	6.56
2008	6.56
2009	7.48
2010	7.14
2011	6.95
2012	6.59
2013	6.59
2014	6.33
2015	8
2016	8.16
2017	10.28
2018	10.17
2019	7.69
2020	7.63
2021	7.63