Year	% of people ages 15 and above
1975	57.9931106567383
1976	58.154541015625
1977	58.4850997924805
1978	59.2414703369141
1979	60.0391883850098
1980	60.5627212524414
1981	61.3946914672852
1982	62.0813903808594
1983	62.9377098083496
1984	63.740478515625
1985	64.4657363891602
1986	65.1418914794922
1987	65.9689407348633
1988	68.0434036254883
1989	68.6802825927734
1990	69.0290908813477
1991	69.8128967285156
1992	70.4444885253906
1993	70.9852294921875
1994	71.5058288574219
1995	72.0333099365234
1996	72.5415191650391
1997	75.0760192871094
1998	76.6088485717773
1999	77.0318374633789
2000	77.2071914672852
2001	77.6253814697266
2002	78.0732727050781
2003	78.6955871582031
2004	79.16748046875
2005	79.0746765136719
2006	79.179443359375
2007	79.7461624145508
2008	80.1350479125977
2009	80.4803619384766
2010	81.2899169921875
2011	81.5104217529297
2012	82.0476913452148
2013	82.1807708740234
2014	82.837532043457
2015	83.0385131835938
2016	83.6039962768555
2017	83.8864974975586
2018	83.9525985717773
2019	84.1277618408203
2020	84.3962020874023
2021	84.5862121582031
2022	84.7953414916992