Year	% of total population ages 15+ (modeled ILO estimate)
1991	59.42
1992	58.72
1993	58.31
1994	58.16
1995	57.71
1996	57.61
1997	57.67
1998	57.68
1999	57.86
2000	57.46
2001	57.48
2002	57.27
2003	57.32
2004	56.87
2005	58.42
2006	58.96
2007	59.15
2008	59.24
2009	59.39
2010	59.37
2011	60.09
2012	60.07
2013	60.35
2014	60.41
2015	60.17
2016	61
2017	61.21
2018	61.28
2019	61.92
2020	60.65
2021	60.55
2022	61.3
2023	61.631