Year	%
2001	16.73
2002	16.63
2003	16.67
2005	10.65
2006	10.27
2007	9.83
2008	9.58
2010	9.72
2011	8.95
2012	9.26
2014	4.09
2016	9.71
2020	6.8
2021	6.32