Year	%
2002	7.61
2004	7.57
2005	7.33
2006	7.33
2008	7.25
2009	7.21
2010	7.37
2011	7.29
2012	7.19
2013	7.18
2014	9.39
2015	9.19
2016	9.19
2018	6.89
2019	7.28
2020	9.22
2021	10.62