Year	% of total population ages 15+ (modeled ILO estimate)
1991	67.304
1992	67.632
1993	67.564
1994	67.404
1995	67.17
1996	64.8
1997	66
1998	65.1
1999	64.94
2000	64.41
2001	63.18
2002	57.77
2003	55.93
2004	55.6
2005	53.94
2006	54.97
2007	54.77
2008	54.51
2009	54.44
2010	54.87
2011	54.11
2012	54.61
2013	54.53
2014	54.87
2015	54.54
2016	53.72
2017	54.94
2018	54.98
2019	55.14
2020	55.06
2021	51.07
2022	51.8
2023	51.643