Year	% (modeled ILO estimate)
1991	72.84562408830935
1992	72.20106588540011
1993	71.21476901820878
1994	70.31642417845464
1995	69.29074409386662
1996	67.87702420917756
1997	66.72544747465852
1998	65.62866507019322
1999	65.0230825524624
2000	63.95690620931368
2001	63.45253089128808
2002	62.74733360993057
2003	61.97195828516661
2004	61.498829577230914
2005	60.95532987633324
2006	60.162702957395396
2007	59.47374306479833
2008	59.156928625510346
2009	58.615850045612426
2010	57.680338148983516
2011	57.0201691960978
2012	56.39386286887177
2013	55.735102914155334
2014	55.00196447052457
2015	54.48810744553955
2016	53.80126343055078
2017	53.2560571492784
2018	52.75549183809014
2019	52.32257827852929
2020	49.37884578044223
2021	50.382714501165715
2022	50.01102309492555
2023	49.77517768961254