Year	% of people ages 15 and above
1987	56.8589096069336
1988	57.1661911010742
1989	57.6187515258789
1990	58.1800193786621
1991	58.1411895751953
1992	58.5306396484375
1993	58.9126014709473
1994	59.5268516540527
1995	59.9219398498535
1996	60.434928894043
1997	61.1740608215332
1998	61.4087104797363
1999	62.2584190368652
2000	62.4951782226562
2001	63.4178886413574
2002	63.7494087219238
2003	64.3503036499023
2004	65.6004180908203
2005	63.9424705505371
2006	62.1338691711426
2007	62.8357582092285
2008	63.3095092773438
2009	64.0004196166992
2010	64.6178817749023
2011	66.8296508789062
2012	68.3613510131836
2013	69.3831024169922
2014	69.8347702026367
2015	70.3134231567383
2016	71.0951995849609
2017	71.0090713500977
2018	71.3926162719727
2019	72.6349716186523
2020	72.7856216430664
2021	72.5811614990234
2022	72.6004028320312