Year	% of total population ages 15+ (modeled ILO estimate)
1991	59.737
1992	59.35
1993	59.45
1994	59.55
1995	59.651
1996	59.751
1997	59.851
1998	59.95
1999	60.05
2000	60.15
2001	61.73
2002	61.89
2003	63.18
2004	63
2005	63.32
2006	63.57
2007	64.4
2008	64.27
2009	63.88
2010	64.34
2011	63.8
2012	63.65
2013	63.49
2014	63.89
2015	62.38
2016	61.3
2017	61.71
2018	62.49
2019	63.02
2020	62.81
2021	63.83
2022	65.1
2023	65.335