Year	% of total population ages 15+ (modeled ILO estimate)
1991	60.609
1992	61.067
1993	61.245
1994	61.186
1995	60.953
1996	60.893
1997	60.767
1998	60.665
1999	60.576
2000	60.565
2001	60.484
2002	60.336
2003	60.108
2004	60.081
2005	60.054
2006	60.027
2007	60
2008	58.4
2009	58.47
2010	59.36
2011	60.59
2012	60.041
2013	59.49
2014	60.09
2015	59.82
2016	58.73
2017	59.56
2018	59.47
2019	62.95
2020	60.88
2021	58.67
2022	60.542
2023	60.069