Year	% of people ages 15 and above
1986	57.9857406616211
1987	58.5153198242188
1988	59.0273590087891
1989	59.424919128418
1990	59.9398384094238
1991	60.406379699707
1992	60.5090713500977
1993	60.7043800354004
1994	61.3616714477539
1995	61.749641418457
1996	62.082389831543
1997	62.6230087280273
1998	63.241340637207
1999	63.6914596557617
2000	61.7520294189453
2001	62.5402412414551
2002	63.0046691894531
2003	62.8154487609863
2004	64.2447814941406
2005	63.7224502563477
2006	64.9140167236328
2007	62.295841217041
2008	62.3301315307617
2009	61.8767318725586
2010	62.1603088378906
2011	62.1134300231934
2012	63.7035102844238
2013	63.0729217529297
2014	64.9138717651367
2015	63.8959503173828
2016	65.7695999145508
2017	66.5571517944336
2018	64.9450988769531
2019	65.6260070800781
2020	65.4767379760742
2021	65.6045379638672
2022	65.5553665161133