Year	% of total population ages 15+ (modeled ILO estimate)
1991	69.229
1992	69.147
1993	69.377
1994	69.646
1995	70.055
1996	69.985
1997	70.169
1998	69.967
1999	69.633
2000	69.209
2001	68.937
2002	68.75
2003	67.6
2004	71.37
2005	70.28
2006	67.05
2007	68.82
2008	69.3
2009	69.62
2010	67.74
2011	67.92
2012	71.28
2013	69.87
2014	67.96
2015	67.93
2016	69.97
2017	70.2
2018	71.87
2019	72.39
2020	70.12
2021	71.92
2022	70.58
2023	70.892