Year	%
2001	16.1
2002	15.03
2003	15.57
2005	11.68
2006	11.41
2007	13.98
2008	11.83
2010	10.47
2011	9.65
2012	9.16
2014	8.33
2016	10.98
2020	3.12
2021	2.43