Year	% of total population ages 15+ (modeled ILO estimate)
1991	57.67
1992	58.02
1993	58.14
1994	58.89
1995	59.2
1996	59.71
1997	60.94
1998	61.69
1999	62.48
2000	63.53
2001	64.18
2002	64.88
2003	64.75
2004	64.9
2005	63.43
2006	63.58
2007	64.54
2008	65.31
2009	65.44
2010	64.84
2011	64.54
2012	65
2013	64.95
2014	64.39
2015	64.38
2016	64.09
2017	64.01
2018	64.27
2019	64.78
2020	64.55
2021	64.935
2022	65.42
2023	66.057