Year	% of total population ages 15+ (modeled ILO estimate)
1991	62.35
1992	62.514
1993	62.779
1994	62.725
1995	63.03
1996	63.084
1997	63.227
1998	63.393
1999	63.502
2000	63.567
2001	63.631
2002	63.871
2003	64.16
2004	64.315
2005	64.41
2006	64.706
2007	64.84
2008	64.906
2009	64.826
2010	64.692
2011	64.673
2012	64.723
2013	64.788
2014	64.827
2015	64.87
2016	64.933
2017	64.959
2018	65.03
2019	65.036
2020	62.819
2021	63.624
2022	65.081
2023	65.35