Year	% (modeled ILO estimate)
1991	63.7249786489177
1992	62.55525043749835
1993	60.87255312642655
1994	59.973157437840214
1995	59.83553250895991
1996	59.47909971433837
1997	59.420578107056144
1998	59.63862691189564
1999	59.62604952989431
2000	59.69628783786039
2001	59.67823416798371
2002	59.07710142820415
2003	58.84164066476292
2004	58.46812065674759
2005	58.78571950910755
2006	59.43251400202195
2007	60.1816025244867
2008	60.35127747146878
2009	58.52298274943024
2010	57.92746582395822
2011	57.732886700831976
2012	57.13812033033107
2013	56.69051868654005
2014	56.94773894536577
2015	57.32793069617796
2016	58.04742941138977
2017	58.822055779941046
2018	59.39752152759755
2019	59.840997854857434
2020	58.75951758022195
2021	58.90941103645679
2022	59.938195649840935
2023	60.28368323476423