Year	% of total population ages 15+ (modeled ILO estimate)
1991	59.214
1992	59.093
1993	58.942
1994	58.987
1995	59.11
1996	58.869
1997	58.497
1998	58.36
1999	58.44
2000	59.026
2001	59.489
2002	59.852
2003	60.147
2004	60.407
2005	60.725
2006	61.102
2007	61.55
2008	62.052
2009	62.574
2010	63.064
2011	63.539
2012	63.94
2013	64.244
2014	64.483
2015	64.688
2016	64.854
2017	64.974
2018	64.926
2019	64.826
2020	64.671
2021	64.825
2022	65.02
2023	64.773