Year	% of total population ages 15+ (modeled ILO estimate)
1991	59.874
1992	59.725
1993	59.703
1994	59.593
1995	59.556
1996	59.45
1997	59.294
1998	59.139
1999	58.983
2000	58.826
2001	58.67
2002	58.514
2003	58.357
2004	58.2
2005	56.73
2006	57.806
2007	58.876
2008	59.936
2009	60.988
2010	62.029
2011	63.06
2012	61.688
2013	60.298
2014	58.89
2015	58.236
2016	57.58
2017	57.472
2018	57.403
2019	57.429
2020	55.547
2021	55.364
2022	57.619
2023	58.161