Year	% (modeled ILO estimate)
1991	73.508
1992	73.217
1993	73.126
1994	76.677
1995	76.147
1996	75.917
1997	75.503
1998	74.61
1999	73.735
2000	72.833
2001	71.907
2002	70.93
2003	69.951
2004	68.944
2005	67.939
2006	66.904
2007	65.844
2008	65.042
2009	64.195
2010	62.993
2011	62.124
2012	61.031
2013	62.251
2014	63.375
2015	64.735
2016	65.666
2017	67.302
2018	68.473
2019	69.623
2020	68.919
2021	69.851
2022	69.537
2023	69.284