Year	% of total population ages 15-64 (modeled ILO estimate)
1991	73.915
1992	75.019
1993	76.23
1994	77.852
1995	78.357
1996	77.987
1997	77.409
1998	77.33
1999	77.127
2000	76.785
2001	76.458
2002	76.507
2003	76.102
2004	75.702
2005	75.747
2006	75.538
2007	74.924
2008	74.262
2009	73.929
2010	73.833
2011	73.004
2012	70.473
2013	68.611
2014	67.513
2015	67.825
2016	67.462
2017	65.934
2018	66.99
2019	67.177
2020	67.752
2021	68.064
2022	68.941