Year	% (modeled ILO estimate)
1991	50.54201888678849
1992	49.94181654644091
1993	48.27657555327292
1994	47.685289198307714
1995	46.789186061528326
1996	45.72015304494584
1997	44.48264992054926
1998	44.022061789736235
1999	44.92015547798432
2000	44.286061424742336
2001	43.40528575758072
2002	42.992497305320754
2003	42.07876263139792
2004	41.80718294754065
2005	41.59840270109688
2006	41.320593904056054
2007	41.318114648575126
2008	41.83442460519713
2009	41.54759526207072
2010	41.03961848285776
2011	40.99196260333188
2012	40.399180742485186
2013	40.55986622103288
2014	40.39034956177069
2015	40.3882191400285
2016	40.42594719105962
2017	40.27069960125431
2018	40.18429334472651
2019	40.13492403984252
2020	38.20576127565864
2021	38.668047441705156
2022	39.64053391229506
2023	39.95589632970066