Year	%
1994	12.3
2000	6.28
2001	6.15
2002	6.11
2003	5.58
2004	5
2005	8.39
2006	7.56
2007	7.84
2008	7.35
2009	7.61
2010	7.69
2011	6.98
2012	6.46
2013	6.13
2014	6.32
2015	5.9
2016	5.99
2018	6.22
2019	6.41
2020	6.24
2021	7.24