Year	%
1990	61.0319912645494
1991	61.7305158524992
1992	62.2796123124878
1993	62.7191904852902
1994	63.0467676816981
1995	63.3388546177932
1996	63.528006859739
1997	63.6536217166588
1998	63.7418354555651
1999	63.8142344522378
2000	63.8761508462445
2001	63.935819894194
2002	63.9926311322398
2003	64.0517095069286
2004	64.076454954405
2005	64.0492317667628
2006	64.0072972600854
2007	63.9469963218412
2008	63.8564519867587
2009	63.749660251926
2010	63.6572461989817
2011	63.5974073373759
2012	63.7623810076492
2013	64.2203658203658
2014	64.7169369627134
2015	65.2232359675293
2016	65.7081840008351
2017	66.1545655370725
2018	66.5729237511454
2019	66.9353743433821
2020	67.2329814462887
2021	67.4670958354461
2022	67.6515319469694