Year	% (modeled ILO estimate)
1991	72.695
1992	73.464
1993	74.241
1994	75.019
1995	75.917
1996	75.555
1997	74.788
1998	73.861
1999	72.866
2000	71.991
2001	69.723
2002	67.453
2003	65.338
2004	63.383
2005	61.458
2006	61.583
2007	61.747
2008	62.113
2009	62.469
2010	62.865
2011	64.218
2012	65.425
2013	66.362
2014	67.097
2015	67.623
2016	67.23
2017	66.977
2018	67.017
2019	66.627
2020	65.068
2021	64.819
2022	66.741
2023	67.201