Year	% of total population ages 15+ (modeled ILO estimate)
1991	63.374
1992	63.353
1993	63.322
1994	63.518
1995	63.523
1996	63.48
1997	64.25
1998	66.38
1999	64.929
2000	63.45
2001	64.082
2002	64.708
2003	65.33
2004	67.47
2005	66.98
2006	67.95
2007	66.77
2008	66.55
2009	64.01
2010	62.68
2011	61.78
2012	62.45
2013	62.26
2014	62.62
2015	65.66
2016	67.67
2017	68.15
2018	66.66
2019	66.18
2020	60.09
2021	65.78
2022	65.89
2023	65.435