Year	% of total population ages 15+ (modeled ILO estimate)
1991	49.624
1992	49.724
1993	49.775
1994	49.711
1995	49.697
1996	49.933
1997	50.004
1998	49.928
1999	49.86
2000	49.211
2001	49.681
2002	49.506
2003	49.235
2004	47.818
2005	48.192
2006	48.282
2007	48.951
2008	48.961
2009	49.037
2010	49.723
2011	50.577
2012	51.964
2013	53.667
2014	54.884
2015	55.409
2016	56.566
2017	57.748
2018	59.686
2019	60.765
2020	61.64
2021	62.734
2022	63.904
2023	65.259