Year	%
1994	32.16
1999	17.63
2000	20.15
2001	22.35
2002	20.3
2004	20.29
2005	15.65
2006	15.27
2007	15.24
2008	16.13
2009	16.41
2010	17.09
2011	16.56
2012	17.41
2013	16.39
2014	16.88
2015	16.37
2016	16.74
2018	17.63
2019	18.47
2020	17.3
2021	17.47