Year	%
2001	19.1
2002	16.29
2003	16.14
2005	16.21
2006	14.64
2007	13.82
2008	13.54
2009	9.87
2010	9.67
2011	13.53
2012	9.67
2014	9.85
2016	9.73
2018	10.4
2020	10.4
2021	10.8