Year	% (modeled ILO estimate)
1991	76.014
1992	75.985
1993	76.247
1994	76.38
1995	76.693
1996	76.808
1997	76.929
1998	76.935
1999	76.972
2000	77.178
2001	77.473
2002	77.598
2003	77.676
2004	77.887
2005	78.13
2006	78.063
2007	77.873
2008	77.69
2009	77.497
2010	77.327
2011	77.149
2012	76.963
2013	76.757
2014	75.757
2015	74.767
2016	73.915
2017	73.027
2018	72.085
2019	71.202
2020	69.764
2021	69.642
2022	69.219
2023	69.393