Year	%
1993	6.41
1994	9.83
1995	9.54
1996	9.13
1997	8.29
1998	10.02
1999	10.38
2000	7.87
2001	8.27
2002	9.84
2003	7.77
2004	5.73
2005	5.31
2006	3.77
2007	3.28
2008	2.74
2009	2.84
2010	4.04
2011	2.4
2012	2.61
2014	2.54
2015	2.82
2016	3.03
2017	2.54
2018	2.36
2019	5.3
2020	2.63
2021	1.26