Year	%
1990	59.4471224790949
1991	60.0136892214018
1992	60.5219959576913
1993	60.9634357803514
1994	61.3395519083744
1995	61.6934929826283
1996	61.9754464981941
1997	62.1654121810058
1998	62.3461898199004
1999	62.4409579846992
2000	62.4501359422357
2001	62.3154662321597
2002	62.2364895267389
2003	62.0778059559181
2004	61.9516951753449
2005	61.7344909736627
2006	61.5489737683501
2007	61.3363223925092
2008	61.1923545343828
2009	61.0338205646257
2010	60.9360853379003
2011	60.9180355516917
2012	60.9458064391637
2013	60.9564297047615
2014	61.0008937507024
2015	61.1169371690529
2016	61.2725775725141
2017	61.4561862624515
2018	61.6795602223904
2019	61.9154939914331
2020	62.1708757921563
2021	62.4083814232011
2022	62.6433192058889