Year	% (modeled ILO estimate)
1991	66.09052869879304
1992	66.88005735941822
1993	67.71681778597407
1994	67.85491338500755
1995	67.70089575490069
1996	72.28018072900802
1997	72.46349133595609
1998	74.08582422342838
1999	74.45942312862465
2000	74.10307846616773
2001	76.00723607701254
2002	77.30366082603256
2003	77.43237787646345
2004	77.80718037837198
2005	79.01458153006192
2006	79.24668435013263
2007	79.1075907590759
2008	81.23500642818328
2009	81.81914851195619
2010	80.67223499979825
2011	81.05426647207679
2012	81.66416067017505
2013	82.41113911765896
2014	83.49069328297814
2015	83.91312548839966
2016	84.34844477856386
2017	84.07515848286235
2018	84.73850133376446
2019	85.51214676606781
2020	85.17428392336413
2021	85.62229102167183
2022	85.47378079297113
2023	85.65199161425576