Year	% (modeled ILO estimate)
1991	75.553
1992	75.379
1993	75.31
1994	75.196
1995	75.271
1996	75.426
1997	75.636
1998	75.723
1999	75.729
2000	75.687
2001	75.649
2002	75.575
2003	75.328
2004	75.317
2005	75.335
2006	75.485
2007	75.543
2008	75.569
2009	75.556
2010	75.513
2011	75.541
2012	75.561
2013	75.561
2014	75.493
2015	75.049
2016	74.57
2017	74.498
2018	74.413
2019	74.307
2020	72.798
2021	73.295
2022	74.341
2023	74.674