Year	% of people ages 15 and above
1975	58.6190414428711
1976	58.7787284851074
1977	59.1068000793457
1978	59.8534202575684
1979	60.6406784057617
1980	61.158260345459
1981	61.978931427002
1982	62.6555404663086
1983	63.4993515014648
1984	64.2902679443359
1985	65.0049667358398
1986	65.671501159668
1987	66.4843978881836
1988	68.5309066772461
1989	69.1627578735352
1990	69.5088424682617
1991	70.2747268676758
1992	70.89208984375
1993	71.4209365844727
1994	71.9305801391602
1995	72.4470062255859
1996	72.9441223144531
1997	75.432746887207
1998	76.9387283325195
1999	77.3494110107422
2000	77.5199813842773
2001	77.9319686889648
2002	78.3695068359375
2003	78.979377746582
2004	79.4419708251953
2005	79.3485870361328
2006	79.4558868408203
2007	80.0183486938477
2008	80.3985137939453
2009	80.7384796142578
2010	81.5316009521484
2011	81.7406005859375
2012	82.269172668457
2013	82.3959732055664
2014	83.0485305786133
2015	83.2457275390625
2016	83.8043899536133
2017	84.0785369873047
2018	84.1411666870117
2019	84.3098907470703
2020	84.5722427368164
2021	84.7575302124023
2022	84.9614562988281