Year	% (modeled ILO estimate)
1991	60.663
1992	61.713
1993	60.252
1994	60.117
1995	62.328
1996	61.419
1997	62.275
1998	65.431
1999	68.558
2000	71.384
2001	72.928
2002	73.287
2003	73.536
2004	72.212
2005	66.849
2006	66.651
2007	68.901
2008	69.53
2009	69.926
2010	68.954
2011	69.576
2012	71.084
2013	70.341
2014	67.992
2015	69.709
2016	69.496
2017	69.979
2018	70.042
2019	70.571
2020	70.119
2021	70.857
2022	70.739
2023	72.088