Year	%
2001	8.46
2004	7.99
2005	8.07
2006	8.03
2007	7.84
2008	7.79
2009	7.77
2010	7.69
2011	7.67
2012	7.6
2013	7.59
2014	7.56
2015	7.6
2016	7.67
2017	7.82
2018	7.87
2019	10.18
2020	7.82
2021	7.89