Year	%
1993	4.52
1996	4.09
2001	5.67
2002	6.92
2003	6.88
2004	5.11
2005	4.1
2006	4.34
2007	4.27
2008	4.27
2009	5.58
2010	5.29
2011	5.19
2012	4.49
2013	4.49
2014	4.34
2015	6.93
2016	7.8
2017	13.49
2018	12.95
2019	6.94
2020	6.74
2021	6.74