Year	% of total population ages 15+ (modeled ILO estimate)
1991	44.238
1992	44.187
1993	44.21
1994	44.198
1995	44.557
1996	44.918
1997	45.272
1998	45.621
1999	45.989
2000	45.166
2001	44.38
2002	43.632
2003	42.927
2004	42.273
2005	41.68
2006	41.139
2007	40.64
2008	40.181
2009	39.758
2010	39.371
2011	38.546
2012	37.812
2013	37.156
2014	36.564
2015	31.724
2016	31.968
2017	32.19
2018	32.368
2019	32.523
2020	32.305
2021	31.944
2022	32.682
2023	32.791