Year	%
1994	23.32
1999	11.97
2000	14.09
2001	11.85
2002	11.02
2004	10.43
2005	6.61
2006	6.66
2007	6.91
2008	6.61
2009	6.44
2010	6.34
2011	6.24
2012	9.71
2013	9.58
2014	9.4
2015	11.44
2016	11.8
2018	7.56
2019	7.79
2020	7.54
2021	7.75