Year	% of total population ages 15+ (modeled ILO estimate)
1991	62.359
1992	62.45
1993	62.506
1994	62.57
1995	62.673
1996	62.695
1997	62.777
1998	62.886
1999	62.946
2000	62.994
2001	62.99
2002	63.054
2003	63.068
2004	63.11
2005	62.673
2006	62.235
2007	61.794
2008	61.351
2009	60.906
2010	60.46
2011	61.4
2012	65.12
2013	60.22
2014	60.73
2015	60.6
2016	60.69
2017	60.94
2018	60.5
2019	59.17
2020	57.611
2021	58.946
2022	60.24
2023	60.508
