Year	% of total population ages 15+ (modeled ILO estimate)
1991	59.02
1992	59.49
1993	60.89
1994	61.72
1995	62.12
1996	61.43
1997	61.03
1998	60.45
1999	60.77
2000	61.35
2001	61.33
2002	60.56
2003	60.88
2004	61.37
2005	61.8
2006	62.22
2007	62.77
2008	62.81
2009	62.87
2010	63.26
2011	63.04
2012	65.26
2013	65.11
2014	65.62
2015	65.55
2016	65.64
2017	65.49
2018	65.43
2019	65
2020	63.41
2021	63.32
2022	64.738
2023	64.772