Year	%
2000	0.0218568157916306
2001	0.01639009617718
2002	0.0162926647085219
2003	0.0162552378471542
2004	0.0162635350159171
2005	0.0166512821830399
2006	0.0163246932287618
2007	0.013986807455219
2008	0.0173970506711545
2009	0.0174651681672604
2010	0.0124812779022176
2011	0.0120988685793238
2012	0.0124764895027764
2013	0.0112412372772655
2014	0.0105905879699308
2015	0.0106254449272473
2016	0.0102232179360262
2017	0.00948774623714566
2018	0.00936515714420869
2019	0.0101189623861882
2020	0.0107376938719681