Year	%
1993	4.52
1996	4.09
2001	5.67
2002	6.92
2003	6.88
2004	5.11
2005	4.1
2006	4.2
2007	4.14
2008	4.14
2009	5.43
2010	5.12
2011	5.02
2012	4.26
2013	4.26
2014	4.09
2015	6.34
2016	6.82
2017	13.49
2018	12.71
2019	6.08
2020	5.93
2021	5.93