Year	% of people ages 15 and above
1981	44.0439414978027
1982	44.3144111633301
1983	44.6429481506348
1984	45.0248718261719
1985	45.4211616516113
1986	45.790111541748
1987	46.2637710571289
1988	47.1436805725098
1989	47.726390838623
1990	48.2853317260742
1991	48.549560546875
1992	49.0610008239746
1993	49.4793281555176
1994	50.2855796813965
1995	50.8127098083496
1996	51.3359985351562
1997	52.032901763916
1998	53.5026206970215
1999	54.3329315185547
2000	54.9180793762207
2001	55.7839889526367
2002	56.5759010314941
2003	57.1340484619141
2004	58.2146186828613
2005	58.0544586181641
2006	55.9045906066895
2007	57.0411109924316
2008	57.3653793334961
2009	57.5610008239746
2010	59.9163208007812
2011	60.1040306091309
2012	60.7947998046875
2013	62.0002288818359
2014	62.6863594055176
2015	63.7608489990234
2016	65.533088684082
2017	66.3724212646484
2018	67.4507904052734
2019	68.4772796630859
2020	68.695182800293
2021	69.1759414672852
2022	69.4716491699219