Year	% of total population ages 15+ (modeled ILO estimate)
1991	64.746
1992	64.994
1993	64.889
1994	65.211
1995	65.303
1996	65.466
1997	65.804
1998	65.742
1999	65.809
2000	65.927
2001	65.623
2002	65.323
2003	64.957
2004	64.744
2005	64.808
2006	64.92
2007	64.743
2008	64.747
2009	64.132
2010	63.483
2011	62.961
2012	62.822
2013	62.447
2014	62.188
2015	62.062
2016	62.211
2017	62.307
2018	62.373
2019	62.628
2020	61.316
2021	61.221
2022	61.511
2023	61.856