Year	% (modeled ILO estimate)
1991	82.236
1992	82.225
1993	82.212
1994	82.191
1995	82.158
1996	82.113
1997	82.075
1998	82.03
1999	81.94
2000	81.818
2001	81.705
2002	81.555
2003	81.347
2004	81.12
2005	80.869
2006	80.597
2007	80.32
2008	80.056
2009	79.769
2010	79.504
2011	79.348
2012	79.136
2013	78.889
2014	78.658
2015	78.437
2016	77.217
2017	75.936
2018	76.162
2019	74.819
2020	75.192
2021	67.001
2022	67.91
2023	68.08