Year	% of total population ages 15-64 (modeled ILO estimate)
1991	62.667
1992	63.075
1993	65.38
1994	67.373
1995	69.116
1996	70.63
1997	71.897
1998	71.057
1999	71.125
2000	71.055
2001	70.301
2002	69.285
2003	66.605
2004	67.406
2005	68.652
2006	70.635
2007	73.543
2008	74.71
2009	74.984
2010	74.977
2011	75.937
2012	76.094
2013	76.334
2014	77.228
2015	77.021
2016	76.423
2017	76.578
2018	77.211
2019	77.326
2020	75.911
2021	77.233
2022	77.368