Year	% (modeled ILO estimate)
1991	20.099541469032168
1992	20.027495688649143
1993	20.020179214066474
1994	20.07139279890137
1995	19.89158322037957
1996	20.066492077354763
1997	20.23061248506542
1998	20.328542224736527
1999	20.00844636235816
2000	19.719028148155186
2001	19.752153610389094
2002	19.797163476938422
2003	19.650769055190782
2004	19.373446682172798
2005	19.08481055580712
2006	18.63147222469017
2007	18.073992828198417
2008	17.582416424334827
2009	17.189446091004765
2010	16.877127213852766
2011	16.139752882950624
2012	15.46217485310517
2013	15.098318365375476
2014	14.757786645553397
2015	14.268404287020351
2016	13.812740349279991
2017	13.407458497392414
2018	12.746068242146388
2019	12.774216977818629
2020	12.080091016442623
2021	12.435153645220224
2022	12.926256986172623
2023	14.541739157831719
