Year	% of total population ages 15+ (modeled ILO estimate)
1991	60.707
1992	60.668
1993	60.61
1994	60.537
1995	60.453
1996	60.425
1997	60.381
1998	60.328
1999	60.272
2000	60.219
2001	60.232
2002	60.239
2003	60.242
2004	60.243
2005	60.243
2006	60.29
2007	60.323
2008	60.347
2009	60.365
2010	60.377
2011	60.41
2012	60.11
2013	59.81
2014	59.654
2015	59.497
2016	59.341
2017	59.184
2018	59.027
2019	58.87
2020	58.311
2021	58.591
2022	58.961
2023	59.111