Year	% of total population ages 15+ (modeled ILO estimate)
1991	80.706
1992	80.899
1993	81.103
1994	81.276
1995	81.514
1996	81.415
1997	81.17
1998	80.862
1999	80.507
2000	80.197
2001	79.501
2002	78.847
2003	78.262
2004	77.706
2005	77.16
2006	77.199
2007	77.24
2008	77.39
2009	77.514
2010	77.643
2011	77.91
2012	78.129
2013	78.375
2014	78.442
2015	78.653
2016	78.463
2017	78.387
2018	78.239
2019	78.059
2020	77.118
2021	77.252
2022	78.098
2023	78.284