Year	% of total population ages 15+ (modeled ILO estimate)
1991	64.86
1992	64.74
1993	65.06
1994	64.12
1995	64.17
1996	67.5
1997	67.36
1998	67.97
1999	67.8
2000	67.36
2001	67.8
2002	67.72
2003	67.85
2004	67.27
2005	66.98
2006	67.35
2007	67.62
2008	68.19
2009	68.23
2010	67
2011	67.46
2012	67.52
2013	67.54
2014	67.91
2015	68.15
2016	68.57
2017	68.44
2018	68.48
2019	68.23
2020	67.87
2021	67.38
2022	66.64
2023	66.355