Year	% (modeled ILO estimate)
1991	59.89242842207359
1992	59.981846603802126
1993	60.056274762157116
1994	60.53896521706218
1995	60.67469636138676
1996	60.71013393985343
1997	60.44592893552851
1998	63.524580085089646
1999	59.94738653685401
2000	56.3565729459928
2001	57.59509202453987
2002	58.83404776484996
2003	60.073358601296
2004	63.8954898157129
2005	63.0328356758464
2006	63.09415428845232
2007	63.43268995846567
2008	63.92279795930912
2009	63.13178846691934
2010	61.81900161030596
2011	61.27704471740631
2012	62.33882475029186
2013	62.756506424890745
2014	61.252602091953435
2015	65.14217563241479
2016	69.11434418047514
2017	69.90663513008839
2018	68.90727597069876
2019	69.59871013973486
2020	67.00380143733177
2021	68.80972510439884
2022	69.85434144835041
2023	68.25590349075975
