Year	% (modeled ILO estimate)
1991	70.32578241232441
1992	70.50971505667628
1993	70.41076971130792
1994	70.83795539910561
1995	71.057909868453
1996	71.31519403824905
1997	71.55833053792513
1998	71.92246254996299
1999	72.92485233425484
2000	73.24869757112238
2001	73.53532141713825
2002	74.16597602367871
2003	74.49719910349793
2004	74.65468909212434
2005	75.01121145491307
2006	75.43322037578072
2007	75.44321498655464
2008	75.39631542541613
2009	75.92698838417869
2010	76.04631318127215
2011	76.27305986122693
2012	76.50933117797248
2013	76.62006396894472
2014	76.69049038991149
2015	76.6808887397707
2016	76.81869871348864
2017	76.90475194765229
2018	77.0129288468837
2019	77.25905420683084
2020	77.32420817577838
2021	77.85938379283927
2022	78.30592040396677
2023	78.33565282230914