Year	%
1992	63.5879257095943
1993	66.14523765910349
1994	66.94777030649772
1995	68.19232042338285
1996	68.37911959851075
1997	70.5920991285683
1998	70.75412492146219
1999	72.03487763508647
2000	74.10958954578233
2001	74.54985486806997
2002	76.64642025704843
2003	77.49067887231928
2004	78.90836052660082
2005	78.66004936523076
2006	80.51797607312234
2007	80.47666567563951
2008	81.11456121584746
2009	83.27177798908382
2010	83.9407015341173
2011	82.18128093367757
2012	81.64677337164801
2013	81.87489897400361
2014	82.59859813458978
2015	83.0658756518027
2016	83.20501994132889
2017	85.85725560781047
2018	86.16936124820064
2019	86.04980253612321
2020	86.25151517537397
2021	85.97720454903664
2022	86.31808005158608