Year	% of total population ages 15+ (modeled ILO estimate)
1991	56.705
1992	57.085
1993	57.314
1994	57.347
1995	57.511
1996	57.689
1997	57.986
1998	58.198
1999	58.379
2000	58.51
2001	57.28
2002	57.57
2003	56.63
2004	56.85
2005	56.62
2006	57.3
2007	57.21
2008	57.59
2009	55.47
2010	56.71
2011	58.16
2012	59.43
2013	59.27
2014	59.53
2015	62.01
2016	62.45
2017	62.37
2018	63.77
2019	64.89
2020	60.36
2021	63.17
2022	63.222
2023	63.932