Year	%
2002	15.68
2003	13.93
2004	13.95
2005	13.93
2006	13.44
2007	14.73
2008	14.81
2009	14.81
2012	3.14
2015	4.01
2016	7.21
2017	7.31
2020	9.93
2021	10.07