Year	% of total population ages 15-64 (modeled ILO estimate)
1991	40.524
1992	40.306
1993	40.502
1994	40.662
1995	40.748
1996	40.833
1997	40.858
1998	40.893
1999	40.903
2000	40.874
2001	40.347
2002	39.901
2003	38.971
2004	39.465
2005	39.957
2006	39.409
2007	41.614
2008	41.368
2009	41.998
2010	41.383
2011	40.933
2012	39.901
2013	38.938
2014	38.058
2015	39.321
2016	40.676
2017	42.054
2018	41.045
2019	41.241
2020	42.055
2021	40.726
2022	41.424