Year	% of total population ages 15+ (modeled ILO estimate)
1991	66.163
1992	65.461
1993	64.742
1994	64.042
1995	63.342
1996	62.608
1997	61.822
1998	61
1999	61.144
2000	60.015
2001	58.562
2002	57.813
2003	59.751
2004	56.749
2005	55.863
2006	54.808
2007	55.087
2008	55.415
2009	56.098
2010	56.283
2011	57.223
2012	57.605
2013	57.855
2014	58.795
2015	59.037
2016	60.251
2017	60.619
2018	61.512
2019	61.897
2020	62.296
2021	61.797
2022	62.118
2023	62.158