Year	%
2001	16.74
2002	16.28
2003	16.26
2005	14.09
2006	13.73
2007	12.42
2008	12.36
2010	13.16
2011	12.26
2012	12.36
2014	8.04
2016	12.45
2020	8.2
2021	7.72