Year	% of total population ages 15+ (modeled ILO estimate)
1991	66.58
1992	65.7
1993	65.34
1994	65.16
1995	64.82
1996	64.67
1997	64.87
1998	65.13
1999	65.53
2000	65.76
2001	65.91
2002	66.86
2003	67.56
2004	67.49
2005	67.14
2006	67.02
2007	67.44
2008	67.56
2009	67.09
2010	66.91
2011	66.71
2012	66.5
2013	66.46
2014	65.99
2015	65.84
2016	65.71
2017	65.76
2018	65.41
2019	65.71
2020	64.02
2021	65.07
2022	65
2023	65.183