Year	%
2003	8.58
2004	9.19
2006	9.33
2007	10.39
2008	11.92
2009	12.01
2010	12.29
2011	13.12
2012	12.44
2013	12.45
2015	9.92
2017	11.67
2018	11.76
2019	11.67
2020	11.62
2021	6.65