Year	% of total population ages 15+ (modeled ILO estimate)
1991	61.757
1992	62.338
1993	62.856
1994	63.489
1995	64.236
1996	64.794
1997	65.314
1998	65.57
1999	65.916
2000	66.119
2001	66.173
2002	65.4
2003	65.455
2004	65.414
2005	66.152
2006	67.144
2007	66.669
2008	67.826
2009	67.978
2010	68.705
2011	68.91
2012	69.55
2013	69.492
2014	70.271
2015	71.151
2016	70.885
2017	70.58
2018	70.125
2019	70.446
2020	70.308
2021	71.219
2022	71.251
2023	69.255