Year	% of total population ages 15+ (modeled ILO estimate)
1991	58.079
1992	58.462
1993	58.41
1994	59.4
1995	60.24
1996	60.51
1997	60.825
1998	61.14
1999	60.84
2000	61.2
2001	60.7
2002	60.95
2003	61.6
2004	63
2005	63.71
2006	63.91
2007	63.46
2008	63.48
2009	62.68
2010	60.86
2011	59.93
2012	61.08
2013	60.74
2014	61.41
2015	59.98
2016	59.27
2017	58.488
2018	57.701
2019	56.91
2020	55.08
2021	54.28
2022	54.48
2023	54.634