Year	%
2000	0.0201738645076875
2001	0.0188260444086056
2002	0.0189410638513872
2003	0.0188766028808546
2004	0.0180556189069035
2005	0.0184477743190486
2006	0.0177023780924179
2007	0.019614455819752
2008	0.0189611475105162
2009	0.0200178401030854
2010	0.0208378427174324
2011	0.0220533899786295
2012	0.0210234614689344
2013	0.0210465202425781
2014	0.0203788593947714
2015	0.0205549382230339
2016	0.0193668005946581
2017	0.0200953990293484
2018	0.0202669954482274
2019	0.0196186547870459
2020	0.0209209272836296