Year	% of total population ages 15-64 (modeled ILO estimate)
1991	66.457
1992	67.34
1993	68.248
1994	68.875
1995	68.425
1996	69.004
1997	69.875
1998	70.238
1999	69.703
2000	69.497
2001	68.823
2002	67.255
2003	68.213
2004	69.193
2005	68.53
2006	68.908
2007	68.372
2008	67.822
2009	68.175
2010	67.626
2011	68.216
2012	68.137
2013	67.737
2014	67.001
2015	66.813
2016	66.619
2017	66.423
2018	67.385
2019	68.081
2020	63.66
2021	68.699
2022	68.413