Year	% (modeled ILO estimate)
1991	57.23374745425437
1992	56.90434628486064
1993	56.17089784030452
1994	55.76215075302497
1995	55.55283154854907
1996	55.44555615501091
1997	55.30401225881766
1998	54.84027060790012
1999	54.768439394703215
2000	54.64690931753493
2001	54.65210775333985
2002	54.67975649597348
2003	54.582141570815025
2004	54.35595090473165
2005	53.91690581000006
2006	53.61498109950225
2007	52.80731003301615
2008	51.99676356826059
2009	51.399065996433976
2010	50.976579605183346
2011	50.04418180760971
2012	48.7206194952959
2013	48.41315826284402
2014	47.61266862879367
2015	46.79062108555031
2016	46.420135164006645
2017	45.96954351646213
2018	45.61476148463356
2019	44.845280204485846
2020	44.349575605645455
2021	44.4476985478667
2022	44.787560860269735
2023	44.75193363686066
