Year	% of total population ages 15-64 (modeled ILO estimate)
1991	60.485
1992	60.448
1993	60.361
1994	60.26
1995	60.16
1996	60.134
1997	60.09
1998	60.036
1999	59.973
2000	59.935
2001	59.967
2002	60.034
2003	60.065
2004	60.102
2005	60.127
2006	60.194
2007	60.25
2008	60.296
2009	60.341
2010	60.378
2011	60.422
2012	60.103
2013	59.785
2014	59.658
2015	59.529
2016	59.399
2017	59.267
2018	59.136
2019	59.005
2020	58.437
2021	58.699
2022	59.053