Year	%
2007	6.28
2008	8.04
2009	9.13
2010	9.67
2011	8.95
2012	9.28
2013	7.07
2014	6.69
2015	6.51
2016	5.92
2017	5.95
2018	5.7
2019	5.62
2020	5.07
2021	5.98