Year	% (modeled ILO estimate)
1991	61.65864171042484
1992	60.73669921311013
1993	59.34440056509965
1994	58.17908557400187
1995	56.688151713158874
1996	55.30038613126486
1997	54.26233372273343
1998	53.05863325647878
1999	51.96581107048047
2000	51.03394127184856
2001	50.03604151478888
2002	48.98646054934288
2003	48.253298427763006
2004	48.0613116452115
2005	47.376090306401366
2006	47.0905650473849
2007	46.74906870957096
2008	45.97058196526167
2009	44.85521114015325
2010	44.16303556622443
2011	43.60282889649698
2012	43.396173409887524
2013	42.49955286861898
2014	41.6724031975911
2015	40.96540067117735
2016	40.30668054856264
2017	40.08678238412748
2018	39.975129912873534
2019	39.70728911670466
2020	36.21614195794832
2021	37.689750732671996
2022	37.97635134507549
2023	37.91807869376978