Year	% (modeled ILO estimate)
1991	49.91757025807526
1992	49.77774866144554
1993	49.51321572070895
1994	49.23356928525104
1995	48.96829644731869
1996	48.84397214531053
1997	48.6422241784273
1998	48.39332484523576
1999	48.140725349427655
2000	47.90443386331502
2001	47.816113746788595
2002	47.71534971491248
2003	47.569489463720345
2004	47.454780877546035
2005	47.29678627524013
2006	47.08179195335785
2007	46.74300391975133
2008	46.277648505143475
2009	45.766271150153074
2010	45.25085424224051
2011	44.848890558379274
2012	43.83676152619258
2013	43.0027279102315
2014	42.56653703710394
2015	42.269689649928175
2016	42.07426092942506
2017	41.559037529656734
2018	41.13072159220822
2019	40.79898350882005
2020	40.29480856972132
2021	40.27262857388667
2022	40.12362382583256
2023	40.23423942259804