Year	%
1994	31.15
1999	17.58
2000	21.01
2001	20.22
2002	16.41
2004	16.26
2005	12.06
2006	11.98
2007	11.78
2008	11.65
2009	11.68
2010	12.01
2011	11.92
2012	11.36
2013	11.08
2014	11.22
2015	11.4
2016	11.5
2018	11.81
2019	12.37
2020	13.24
2021	13.69