Year	% of people ages 15 and above
1985	49.6741485595703
1986	49.9936408996582
1987	50.6237487792969
1988	51.1016807556152
1989	51.690559387207
1990	52.3394012451172
1991	52.8116188049316
1992	53.1725196838379
1993	53.7244415283203
1994	54.4332008361816
1995	54.7277603149414
1996	55.3456497192383
1997	56.1927490234375
1998	56.8682518005371
1999	57.7254905700684
2000	56.2537612915039
2001	57.4945411682129
2002	57.9850387573242
2003	58.3471298217773
2004	59.8666687011719
2005	58.8957405090332
2006	60.2552604675293
2007	57.7174606323242
2008	57.8812789916992
2009	58.6535606384277
2010	59.2130393981934
2011	60.788158416748
2012	61.96923828125
2013	62.8304290771484
2014	63.5133781433105
2015	64.1322784423828
2016	64.8613967895508
2017	65.2232437133789
2018	66.6836395263672
2019	67.4108581542969
2020	67.5476303100586
2021	67.591926574707
2022	67.7150115966797