Year	%
2003	8.62
2004	9.31
2006	9.63
2007	10.35
2008	12.05
2009	12.47
2010	12.8
2011	14.35
2012	12.95
2013	12.86
2015	11.61
2017	12.19
2018	12.36
2019	12.01
2020	11.92
2021	6.24