Year	% of total population ages 15+ (modeled ILO estimate)
1991	59.294
1992	59.128
1993	58.956
1994	58.761
1995	58.534
1996	58.339
1997	58.106
1998	57.85
1999	57.645
2000	57.44
2001	57.676
2002	57.911
2003	58.147
2004	58.381
2005	58.616
2006	58.85
2007	59.974
2008	61.088
2009	62.19
2010	59.13
2011	59.67
2012	60.209
2013	60.744
2014	61.277
2015	61.808
2016	62.335
2017	62.86
2018	63.381
2019	63.9
2020	62.242
2021	64.18
2022	64.6
2023	64.537