Year	% of total population ages 15+ (modeled ILO estimate)
1991	69.525
1992	69.478
1993	69.683
1994	69.925
1995	70.17
1996	70.387
1997	70.66
1998	71.062
1999	71.46
2000	70.045
2001	70.032
2002	70.019
2003	70.006
2004	69.993
2005	69.98
2006	72.72
2007	71.02
2008	71.81
2009	72.12
2010	72.05
2011	71.98
2012	68.62
2013	69.3
2014	71.37
2015	67.08
2016	67.36
2017	68.63
2018	71.8
2019	70.683
2020	69.68
2021	68.08
2022	69.92
2023	70.999