Year	% of total population ages 15+ (modeled ILO estimate)
1991	69.524
1992	70.606
1993	75.332
1994	70.568
1995	65.989
1996	61.78
1997	61.082
1998	60.425
1999	58.935
2000	59.902
2001	62.27
2002	61.243
2003	59.752
2004	61.581
2005	62.524
2006	62.798
2007	63.349
2008	63.012
2009	62.879
2010	60.898
2011	61.475
2012	60.337
2013	56.95
2014	56.265
2015	58.651
2016	58.324
2017	59.135
2018	55.066
2019	52.303
2020	52.996
2021	53.562
2022	54.737
2023	54.707