Year	%
1990	57.0915619389587
1991	57.8663345786633
1992	58.5713901079669
1993	59.2262931530164
1994	59.7671665351223
1995	60.135227195313
1996	60.4164810028815
1997	60.638422720338
1998	60.844421404297
1999	61.0382395605074
2000	61.1773189966809
2001	61.3155419703739
2002	61.4160816307699
2003	61.4761857665626
2004	61.527718863184
2005	61.5800365185636
2006	61.6327180140038
2007	61.6946193520229
2008	61.7652507873878
2009	61.8511131220004
2010	61.9624043873575
2011	62.0935871328478
2012	62.2614163025964
2013	62.5824909863508
2014	63.0693856450785
2015	63.5621346624252
2016	63.9593012555916
2017	64.2392973450146
2018	64.5138651587135
2019	64.8839872499034
2020	65.4148976387112
2021	65.9638282111045
2022	66.448632018065