Year	% of total population ages 15+ (modeled ILO estimate)
1991	69.991
1992	71.145
1993	72.442
1994	74.292
1995	74.86
1996	74.396
1997	73.717
1998	73.67
1999	73.494
2000	73.155
2001	72.81
2002	72.886
2003	72.424
2004	71.985
2005	72.086
2006	71.932
2007	71.377
2008	70.848
2009	70.728
2010	70.85
2011	70.1
2012	67.57
2013	65.75
2014	64.81
2015	65.2
2016	64.86
2017	63.22
2018	64.13
2019	64.25
2020	64.74
2021	64.96
2022	65.692
2023	65.778