Year	% of total population ages 15+ (modeled ILO estimate)
1991	64.184
1992	64.749
1993	63.95
1994	63.272
1995	62.287
1996	61.624
1997	62.404
1998	61.753
1999	60.891
2000	60.423
2001	59.884
2002	59.61
2003	58.557
2004	57.495
2005	56.427
2006	55.353
2007	54.273
2008	53.19
2009	54.99
2010	55.2
2011	59.94
2012	56.99
2013	52.42
2014	53.42
2015	55.5
2016	57.31
2017	58.06
2018	59.3
2019	60.31
2020	57.362
2021	58.73
2022	60.319
2023	60.176