Year	% (modeled ILO estimate)
1991	81.751
1992	81.806
1993	81.879
1994	80.498
1995	77.694
1996	79.083
1997	81.014
1998	80.884
1999	81.002
2000	80.239
2001	79.662
2002	78.319
2003	78.048
2004	77.763
2005	78.039
2006	78.301
2007	77.97
2008	77.275
2009	75.32
2010	75.119
2011	75.044
2012	75.55
2013	75.18
2014	75.124
2015	75.356
2016	75.372
2017	75.717
2018	75.735
2019	75.415
2020	69.189
2021	73.594
2022	74.919
2023	75.225