Year	% of total population ages 15+ (modeled ILO estimate)
1991	60.6
1992	60.89
1993	60.89
1994	61.6
1995	61.94
1996	62.11
1997	62.5
1998	60.62
1999	60.6
2000	61.57
2001	61.88
2002	62.45
2003	61.89
2004	62.69
2005	62.55
2006	62.52
2007	62.44
2008	61.97
2009	61.28
2010	61.36
2011	61.53
2012	61.71
2013	61.9
2014	62.91
2015	63.17
2016	63.2
2017	63.48
2018	63.36
2019	63.57
2020	62.81
2021	63.08
2022	64.21
2023	64.508