Year	% (modeled ILO estimate)
1991	80.55897546549556
1992	80.30675237064851
1993	80.094254077319
1994	79.8482206953133
1995	79.56540768775263
1996	79.23881697207962
1997	78.87144565160888
1998	78.46262378177828
1999	77.76110760160034
2000	76.95744708977223
2001	76.1551845506103
2002	75.96090944287945
2003	75.7661138839693
2004	75.92052374742899
2005	75.90515730730864
2006	75.89004421488163
2007	75.89033659066232
2008	75.90883687962598
2009	75.85768921379078
2010	75.98745808474503
2011	76.03560967867602
2012	77.22516132782977
2013	77.09102310136956
2014	76.90089329675742
2015	80.58370935224171
2016	79.67310631618082
2017	80.39006656006123
2018	80.08453131625382
2019	80.5968347639485
2020	79.73151772424059
2021	81.2896889462921
2022	79.66278882753446
2023	81.03500600366817