Year	% of people ages 15 and above
1985	49.6685104370117
1986	49.9879493713379
1987	50.6180686950684
1988	51.0959815979004
1989	51.6848487854004
1990	52.3336791992188
1991	52.805908203125
1992	53.166919708252
1993	53.718921661377
1994	54.4277610778809
1995	54.7223205566406
1996	55.3402786254883
1997	56.1874885559082
1998	56.8629913330078
1999	57.720329284668
2000	56.2482795715332
2001	57.4892311096191
2002	57.9798889160156
2003	58.3419418334961
2004	59.8616905212402
2005	58.8906211853027
2006	60.2503395080566
2007	57.7121696472168
2008	57.8760795593262
2009	58.6484718322754
2010	59.2081108093262
2011	60.7833786010742
2012	61.9646301269531
2013	62.8259582519531
2014	63.5090408325195
2015	64.128059387207
2016	64.8573226928711
2017	65.2192611694336
2018	66.6798934936523
2019	67.4072494506836
2020	67.5441131591797
2021	67.5884780883789
2022	67.7116394042969