Year	% (modeled ILO estimate)
1991	57.44581357441061
1992	57.238179955385476
1993	57.100387707997385
1994	57.01505278685544
1995	56.96911710039046
1996	56.95247759697411
1997	56.91848164388005
1998	56.86553420474812
1999	56.69853469031219
2000	56.66506903665037
2001	56.65496287879298
2002	56.72804219258093
2003	56.67770288369698
2004	56.63023047133637
2005	56.48312916955936
2006	56.400699040561385
2007	56.30943940818324
2008	56.06952536331286
2009	55.807936909545525
2010	55.57588959472574
2011	55.45530121101105
2012	55.1283818186875
2013	54.974280402175786
2014	54.346975619876204
2015	53.82054942156442
2016	53.54877335881762
2017	52.93579729913886
2018	52.45880348399402
2019	52.0825584737194
2020	51.11838232793064
2021	51.19078472490633
2022	51.77068141199011
2023	52.0208104272432