Year	%
2007	8.45
2008	13.44
2009	15.4
2010	15.89
2011	12.62
2012	13.64
2013	11.46
2014	10.59
2015	11.32
2016	11.05
2017	12.01
2018	12.37
2019	12.29
2020	10.24
2021	11.65