Year	%
1994	31.23
1999	17.57
2000	20.9
2001	20.45
2002	16.84
2004	16.66
2005	12.42
2006	12.32
2007	12.13
2008	12.09
2009	12.17
2010	12.55
2011	12.41
2012	12.05
2013	11.72
2014	11.88
2015	11.96
2016	12.11
2018	12.56
2019	13.08
2020	13.69
2021	14.12