Year	% (modeled ILO estimate)
1991	60.4032105504959
1992	62.09529422796136
1993	62.72301725290893
1994	63.73972036733443
1995	64.22113630613957
1996	64.40231139988816
1997	64.15494366291085
1998	63.99727767695099
1999	63.79001656779435
2000	63.68633640059919
2001	63.52057216329155
2002	63.35143834238583
2003	63.11456696614427
2004	62.459433619261794
2005	61.81791181791182
2006	61.12352550820028
2007	60.26212747443984
2008	59.48699067255768
2009	58.83630403605819
2010	58.35654976510434
2011	57.85026956937146
2012	57.27674551853973
2013	56.70402486910995
2014	56.17966812893381
2015	55.667238702296316
2016	55.27805754416528
2017	55.00441786175491
2018	54.68654444640746
2019	54.37909563042118
2020	54.67222422244994
2021	54.7582549612628
2022	54.828125857997925
2023	54.81031949802975