Year	% (modeled ILO estimate)
1991	72.798
1992	72.035
1993	70.62
1994	70.624
1995	72.983
1996	73.034
1997	71.996
1998	73.798
1999	75.692
2000	77.024
2001	76.769
2002	74.938
2003	74.55
2004	73.553
2005	73.994
2006	74.779
2007	75.432
2008	74.237
2009	69.487
2010	69.231
2011	69.03
2012	69.869
2013	71.015
2014	72.607
2015	74.087
2016	75.668
2017	75.064
2018	74.093
2019	72.878
2020	69.491
2021	68.942
2022	71.487
2023	72.12