Year	% (modeled ILO estimate)
1991	65.94770092762386
1992	66.31730139328798
1993	66.71580240307689
1994	67.07809954899729
1995	67.22858708267839
1996	67.4240507365118
1997	67.313890663391
1998	67.18555292174923
1999	67.08066216986226
2000	67.07511533278316
2001	67.07888101851235
2002	67.06300031473806
2003	66.89916554148787
2004	66.74380410290891
2005	66.82042252421056
2006	67.58416119572449
2007	68.42673339242396
2008	69.29027036093075
2009	70.24306484308123
2010	71.19006654750098
2011	72.15947229369313
2012	72.13402273964321
2013	72.12946802871116
2014	72.17930931187831
2015	71.60265402459441
2016	71.01450241461626
2017	71.28331186184099
2018	71.55403221312257
2019	71.75326781160486
2020	72.10285175289647
2021	72.7185848613169
2022	72.17488781359125
2023	72.42467432274576