Year	% (modeled ILO estimate)
1991	58.64725868439131
1992	58.70465647578893
1993	58.8444295626616
1994	59.074208769279544
1995	59.39763772158059
1996	59.7444329606314
1997	60.152916745327545
1998	60.6316548674246
1999	61.178671655753035
2000	61.78786831086013
2001	62.31156748827424
2002	62.89834258432635
2003	63.52182830354527
2004	64.14964379895305
2005	63.45532411913569
2006	62.780217240582395
2007	62.12054804962174
2008	61.47797556192488
2009	60.852366024779826
2010	60.242632395302465
2011	59.64841751333968
2012	59.068631883533776
2013	58.50502085309755
2014	57.95460585765163
2015	58.30204459312775
2016	58.58602092931891
2017	58.941288320447725
2018	59.35201211596711
2019	59.80278422273781
2020	59.80158875425558
2021	60.28367499680547
2022	59.59563078703704
2023	59.719637986162546