Year	%
2001	9.16
2002	8.65
2004	8.03
2005	8.14
2006	8.09
2007	7.88
2008	7.82
2009	7.8
2010	7.71
2011	7.69
2012	7.61
2013	7.61
2014	7.57
2015	7.63
2016	7.71
2017	7.86
2018	7.92
2019	10.22
2020	7.86
2021	7.94