Year	% of total population ages 15+ (modeled ILO estimate)
1991	58.271
1992	58.772
1993	59.342
1994	59.372
1995	59.442
1996	59.508
1997	60.832
1998	60.534
1999	59.768
2000	59.647
2001	59.022
2002	58.543
2003	58.908
2004	59.48
2005	60.233
2006	60.99
2007	61.034
2008	60.745
2009	60.652
2010	60.474
2011	60.565
2012	61.247
2013	61.052
2014	60.497
2015	60.619
2016	60.492
2017	60.268
2018	60.484
2019	61.167
2020	56.485
2021	59.938
2022	61.002
2023	61.518