Year	% of total population ages 15+ (modeled ILO estimate)
1991	58.132
1992	58.168
1993	58.219
1994	58.281
1995	58.347
1996	58.311
1997	58.283
1998	58.26
1999	58.239
2000	58.22
2001	58.18
2002	58.158
2003	58.147
2004	58.141
2005	58.135
2006	58.07
2007	57.873
2008	57.676
2009	57.478
2010	57.281
2011	57.083
2012	56.885
2013	56.686
2014	56.488
2015	56.289
2016	56.09
2017	58.33
2018	58.473
2019	58.587
2020	58.031
2021	58.796
2022	58.283
2023	58.162