Year	% of people ages 15 and above
1976	69.0415496826172
1977	69.1443099975586
1978	70.1288375854492
1979	71.2281188964844
1980	72.2181091308594
1981	73.1783828735352
1982	73.711181640625
1983	74.884147644043
1984	75.7721710205078
1985	76.6293411254883
1986	77.3992233276367
1987	78.1738662719727
1988	81.7409362792969
1989	82.3269424438477
1990	82.1338195800781
1991	83.350227355957
1992	83.834098815918
1993	84.2964019775391
1994	84.7303771972656
1995	85.1932678222656
1996	85.6125793457031
1997	90.4145202636719
1998	90.7604522705078
1999	91.0391998291016
2000	91.2517929077148
2001	91.6210021972656
2002	91.9046325683594
2003	92.2715301513672
2004	92.4644088745117
2005	92.7838973999023
2006	93.0054397583008
2007	93.9794998168945
2008	94.1736526489258
2009	94.4404220581055
2010	94.6083297729492
2011	94.9711380004883
2012	95.1441268920898
2013	95.2111129760742
2014	95.4148864746094
2015	95.5112915039062
2016	95.7430801391602
2017	95.8903503417969
2018	96.0548934936523
2019	96.2434234619141
2020	96.5029296875
2021	96.5497817993164
2022	96.5905914306641