Year	% of total population ages 15+ (modeled ILO estimate)
1991	68.74
1992	68.643
1993	68.541
1994	68.443
1995	68.353
1996	68.275
1997	68.204
1998	68.14
1999	68.08
2000	68.024
2001	68.001
2002	67.974
2003	67.947
2004	67.928
2005	67.92
2006	67.9
2007	67.888
2008	67.881
2009	67.87
2010	67.849
2011	67.92
2012	67.969
2013	68.001
2014	68.018
2015	68.02
2016	67.994
2017	67.951
2018	67.892
2019	67.817
2020	66.976
2021	67.439
2022	67.741
2023	67.857