Year	%
1994	11.52
1999	16.29
2001	16.63
2002	15.59
2003	13.28
2004	13.26
2005	13.49
2006	12.43
2007	11.7
2008	6.84
2009	6.82
2010	6.59
2012	5.3
2013	5.23
2014	5.14
2015	5.28
2016	5.43
2017	5.59
2018	6.85
2019	5.52
2020	4.98
2021	4.98