Year	%
1994	15.19
1999	19.2
2001	15.29
2002	15.08
2003	12.68
2004	12.63
2005	12.73
2006	11.71
2007	11.39
2008	6.12
2009	7.88
2010	6.47
2012	4.98
2013	5.37
2014	5.42
2015	5.76
2016	5.75
2017	5.88
2018	8.97
2019	5.6
2020	5.3
2021	5.28