Year	% (modeled ILO estimate)
1991	70.21747098350642
1992	70.17370151698509
1993	70.60146424337242
1994	71.10679279411404
1995	71.61955738045484
1996	72.0614828209765
1997	72.61279527078194
1998	73.37050684496937
1999	74.12120325678903
2000	72.3563522647526
2001	72.94261565836298
2002	73.53546626984127
2003	74.13722293437543
2004	74.74862289061818
2005	75.36669759045206
2006	77.30454933528479
2007	75.09033730036381
2008	76.01427152683267
2009	76.71058275629635
2010	76.051329055912
2011	75.39455243434281
2012	72.46810382754069
2013	73.66099400987494
2014	75.00613075678062
2015	68.65210067130968
2016	73.22087506589351
2017	75.68823190631599
2018	79.44972698761761
2019	75.29785150196501
2020	74.10270499787697
2021	73.24482763005634
2022	71.98122250350235
2023	72.96294042475506