Year	% of total population ages 15+ (modeled ILO estimate)
1991	63.539
1992	63.11
1993	62.49
1994	61.774
1995	61.162
1996	61.204
1997	61.336
1998	61.58
1999	61.84
2000	62
2001	61.905
2002	61.775
2003	61.598
2004	61.416
2005	61.27
2006	61.174
2007	61.109
2008	61.069
2009	61.029
2010	60.972
2011	60.929
2012	60.859
2013	60.773
2014	60.692
2015	60.626
2016	60.529
2017	60.46
2018	60.38
2019	58.45
2020	62.66
2021	58.13
2022	60.162
2023	60.521