Year	% (modeled ILO estimate)
1991	69.665
1992	69.396
1993	68.736
1994	70.586
1995	71.645
1996	71.665
1997	70.064
1998	69.874
1999	69.924
2000	70.182
2001	70.673
2002	69.983
2003	70.224
2004	70.143
2005	70.813
2006	70.803
2007	70.763
2008	70.752
2009	69.102
2010	68.432
2011	68.142
2012	67.522
2013	66.822
2014	66.562
2015	67.261
2016	66.791
2017	66.891
2018	67.851
2019	68.121
2020	66.241
2021	68.58
2022	68.326
2023	67.834