Year	% (modeled ILO estimate)
1991	55.08422366647048
1992	55.11974318460742
1993	55.29658996047614
1994	55.13807556793098
1995	55.25920830020205
1996	54.17248064069808
1997	54.471320692668364
1998	54.77659566842301
1999	54.67139257511889
2000	53.92546180000022
2001	53.52769124114811
2002	53.498559268007554
2003	53.31981145241019
2004	53.65433460151529
2005	54.02041094940715
2006	53.69182559934246
2007	53.13426551129547
2008	52.689795968873916
2009	52.33798008220008
2010	51.32366814739379
2011	50.556591891579544
2012	50.52130611811356
2013	49.47628192943226
2014	48.82246527562209
2015	48.344722997904206
2016	48.19425497910321
2017	48.36384847905597
2018	48.46226876615698
2019	48.63312407543174
2020	44.43589798373804
2021	47.19807309310965
2022	47.34854256108586
2023	46.79958131269587