Year	% of total population ages 15+ (modeled ILO estimate)
1991	55.593
1992	55.972
1993	56.143
1994	56.07
1995	57.019
1996	57.962
1997	58.9
1998	58.7
1999	59.3
2000	59.541
2001	59.782
2002	60.022
2003	60.262
2004	60.501
2005	60.74
2006	60.978
2007	61.215
2008	61.453
2009	61.689
2010	61.925
2011	62.161
2012	62.396
2013	62.63
2014	63.49
2015	63.871
2016	64.25
2017	64.03
2018	63.786
2019	63.495
2020	61.37
2021	61.82
2022	63.195
2023	63.602