Year	% of total population ages 15-64 (modeled ILO estimate)
1991	60.068
1992	58.918
1993	55.058
1994	57.54
1995	56.83
1996	56.372
1997	55.204
1998	55.307
1999	55.137
2000	52.398
2001	52.303
2002	52.262
2003	51.032
2004	49.147
2005	49.388
2006	48.551
2007	48.672
2008	49.396
2009	50.373
2010	51.571
2011	52.837
2012	52.998
2013	54.061
2014	54.469
2015	55.333
2016	56.229
2017	57.176
2018	57.714
2019	57.71
2020	54.048
2021	56.321
2022	58.314