Year	%
1993	7.47
1995	8.57
1996	3.32
1997	5.76
1998	3.2
1999	6.18
2000	2.34
2001	2.1
2002	2.03
2003	1.73
2004	2.28
2005	1.4
2006	1.27
2007	1.4
2008	1.39
2009	1.22
2010	1.2
2011	1.18
2013	1.1
2015	1.2
2016	1.07
2017	1.38
2018	1.41
2019	1.33
2020	1.38
2021	1.83