Year	% of total population ages 15+ (modeled ILO estimate)
1991	59.13
1992	60.304
1993	60.645
1994	61.241
1995	61.486
1996	61.555
1997	61.367
1998	61.256
1999	61.098
2000	60.992
2001	60.842
2002	60.698
2003	60.526
2004	60.116
2005	59.727
2006	59.285
2007	58.74
2008	58.283
2009	57.955
2010	57.791
2011	57.642
2012	57.462
2013	57.284
2014	57.133
2015	56.956
2016	56.849
2017	56.811
2018	56.697
2019	56.55
2020	55.62
2021	55.799
2022	56.157
2023	56.142