Year	% of people ages 15 and above
1986	48.6153182983398
1987	49.3259010314941
1988	49.8570899963379
1989	50.578670501709
1990	51.190731048584
1991	51.8495216369629
1992	52.143871307373
1993	52.6637802124023
1994	53.2730903625488
1995	53.6791381835938
1996	54.3219909667969
1997	55.193431854248
1998	55.8643608093262
1999	56.7898292541504
2000	54.996711730957
2001	56.3512687683105
2002	56.9721908569336
2003	57.2311592102051
2004	58.1134910583496
2005	57.6471214294434
2006	59.0878791809082
2007	55.2081108093262
2008	55.2332305908203
2009	54.4313011169434
2010	55.0670509338379
2011	56.8154106140137
2012	59.4409294128418
2013	59.0068817138672
2014	61.2843399047852
2015	60.2868385314941
2016	62.6668281555176
2017	63.8228988647461
2018	63.6434211730957
2019	63.9542198181152
2020	64.1893005371094
2021	64.6795883178711
2022	64.9779510498047