Year	% of total population ages 15+ (modeled ILO estimate)
1991	41.119
1992	40.858
1993	40.821
1994	40.781
1995	40.663
1996	40.825
1997	40.373
1998	39.854
1999	39.621
2000	40.25
2001	36.63
2002	35.91
2003	38.76
2004	38.22
2005	38.64
2006	38.63
2007	39.92
2008	39.38
2009	39.53
2010	40
2011	41.36
2012	41.68
2013	41.8
2014	42.12
2015	43.97
2016	43.77
2017	44
2018	43.45
2019	44.27
2020	40.94
2021	43.37
2022	44.99