Year	% (modeled ILO estimate)
1991	62.904
1992	62.746
1993	62.524
1994	62.237
1995	61.888
1996	61.773
1997	61.739
1998	61.773
1999	61.852
2000	61.962
2001	62.055
2002	62.148
2003	62.237
2004	62.326
2005	62.434
2006	62.317
2007	62.144
2008	62.001
2009	61.913
2010	61.772
2011	61.68
2012	61.574
2013	60.868
2014	60.131
2015	59.345
2016	58.514
2017	57.673
2018	55.5
2019	53.346
2020	50.818
2021	51.711
2022	61.532
2023	60.289