Year	%
2003	9.33
2004	10.43
2006	9.59
2007	10.18
2008	11.18
2009	12.69
2010	12.58
2011	14.39
2012	13.07
2013	12.95
2015	12.42
2017	12.68
2018	12.94
2019	12.53
2020	11.21
2021	4.86
