Year	% (modeled ILO estimate)
1991	40.8078425767105
1992	41.605093725499515
1993	42.45433776441483
1994	43.31714401352285
1995	45.411537533188515
1996	45.439643223045856
1997	47.41233995241909
1998	47.160514548092024
1999	46.6132230605533
2000	47.366818502910874
2001	46.94563750153393
2002	47.68746579091406
2003	48.50938397820976
2004	49.95083946284334
2005	51.00484156564594
2006	52.27701760663302
2007	52.9443825095999
2008	53.00585232225128
2009	54.095415195567234
2010	54.042478143659764
2011	54.68017636728867
2012	55.790679523653665
2013	56.04377530364372
2014	54.92636435071354
2015	55.63110868211339
2016	55.901794145420205
2017	55.44559512712135
2018	56.132075471698116
2019	58.04262945657045
2020	57.17396097453423
2021	57.812744433435896
2022	59.1177420396564
2023	60.48621612190298