Year	%
1990	62.2024888244533
1991	62.4190379157266
1992	62.4821781722853
1993	62.4582869855395
1994	62.3300518307233
1995	62.1996318892941
1996	62.0084571058686
1997	61.8108217020185
1998	61.6338205492084
1999	61.4839880894219
2000	61.3587136808008
2001	61.2569740728585
2002	61.1651810699027
2003	61.0736610424733
2004	60.9732644270666
2005	60.8672836561397
2006	60.7060943993371
2007	60.4963291366681
2008	60.2981205970537
2009	60.1736046663165
2010	60.1562259148503
2011	60.181109720987
2012	60.2345518292232
2013	60.3698220008803
2014	60.5587693547459
2015	60.7578509323876
2016	60.9297424724078
2017	61.0853146452269
2018	61.2740363825064
2019	61.4690020106412
2020	61.6580424727816
2021	61.8611868223025
2022	62.1318914381855