Year	%
2000	0.383754056580513
2001	0.387419545775945
2002	0.383780367926356
2003	0.382280765958602
2004	0.387210098669993
2005	0.386823132737488
2006	0.403044791311125
2007	0.39570326699548
2008	0.395887450181176
2009	0.417307001233404
2010	0.348200287233336
2011	0.346000425656862
2012	0.344448080521081
2013	0.346899327650104
2014	0.351584053642572
2015	0.293423514343311
2016	0.286517998933636
2017	0.285173821977864
2018	0.284900366218952
2019	0.425724560570683
2020	0.426464607695927