Year	% (modeled ILO estimate)
1991	48.16039058146528
1992	47.450902989040294
1993	46.563517153116806
1994	46.01219293520387
1995	45.19810814267734
1996	44.40527567328234
1997	43.677612116624026
1998	43.078661515340784
1999	42.498522892037045
2000	41.72229284592373
2001	41.287471776444484
2002	41.033898891633754
2003	40.571690913436036
2004	40.24537848524559
2005	39.85615534885733
2006	39.26205142135509
2007	38.593726695580756
2008	37.82706907233055
2009	37.24153110993286
2010	36.39557767649344
2011	35.559426970949765
2012	34.82914813645781
2013	34.14800530447162
2014	33.531610699899744
2015	33.149329138180676
2016	32.63192111109646
2017	32.18140835983523
2018	31.53517867654401
2019	31.35733551703819
2020	29.83536864553748
2021	30.26863116140994
2022	30.397242417554768
2023	31.05225445751432