Year	% of people ages 15 and above
1984	71.1927795410156
1985	71.5116500854492
1986	71.8418807983398
1987	72.4216384887695
1988	73.0915832519531
1989	73.7557678222656
1990	74.2870025634766
1991	74.6220321655273
1992	75.0873489379883
1993	75.6380767822266
1994	75.854133605957
1995	76.2235107421875
1996	76.7973403930664
1997	77.2912826538086
1998	78.0746688842773
1999	78.592658996582
2000	78.6375427246094
2001	79.3214721679688
2002	80.1538696289062
2003	80.8212890625
2004	81.2886199951172
2005	81.8300323486328
2006	81.3763809204102
2007	80.6110229492188
2008	81.655632019043
2009	81.1067810058594
2010	81.7886276245117
2011	82.2671279907227
2012	82.7335586547852
2013	83.0928497314453
2014	83.4920120239258
2015	84.2511291503906
2016	84.7315063476562
2017	84.942138671875
2018	85.1605072021484
2019	85.3942718505859
2020	85.6380310058594
2021	85.7083892822266
2022	85.8374786376953