Year	% of total population ages 15+ (modeled ILO estimate)
1991	67.83
1992	68.11
1993	67.37
1994	64.38
1995	64.61
1996	65.2
1997	65.44
1998	65.18
1999	65.8
2000	65.54
2001	65.15
2002	65.64
2003	65.48
2004	65.93
2005	65.65
2006	65.93
2007	65.71
2008	65.08
2009	64.39
2010	63.5
2011	63.05
2012	62.31
2013	61.42
2014	61.26
2015	61.32
2016	61.65
2017	61.72
2018	61.82
2019	62.37
2020	62.02
2021	62.54
2022	63.4
2023	63.608