Year	% of total population ages 15+ (modeled ILO estimate)
1991	59.316
1992	59.294
1993	59.254
1994	59.208
1995	59.161
1996	59.143
1997	59.116
1998	59.084
1999	59.048
2000	59.01
2001	59.065
2002	59.114
2003	59.159
2004	59.197
2005	59.227
2006	59.277
2007	59.306
2008	59.319
2009	59.325
2010	59.325
2011	59.267
2012	59.206
2013	59.136
2014	59.046
2015	58.929
2016	58.805
2017	58.651
2018	58.48
2019	59.54
2020	60.87
2021	60.12
2022	59.682
2023	59.564