Year	% (modeled ILO estimate)
1991	60.53933145755604
1992	60.93084836999035
1993	61.662701016455394
1994	62.139456488081336
1995	61.82777129407804
1996	62.04183078280928
1997	62.29120597233989
1998	62.58522718735576
1999	62.76650902793098
2000	62.85325437826942
2001	62.654380639960415
2002	62.59166755847597
2003	62.903299032623366
2004	63.17137519902137
2005	63.567476419031266
2006	63.91783508711857
2007	63.95684814115572
2008	63.98272479975965
2009	64.14730784793964
2010	64.28915636714355
2011	64.42995572199992
2012	64.45451007144709
2013	64.53387898945032
2014	64.41352434343871
2015	64.0391327817555
2016	63.3158174880246
2017	62.704535160591476
2018	62.07897086929042
2019	62.40489730692918
2020	62.43288518463266
2021	62.736261911944396
2022	62.528584578887504
2023	62.718764321956094
