Year	% (modeled ILO estimate)
1991	44.82469321267819
1992	42.77635735857594
1993	39.39495176614316
1994	37.351305734261
1995	36.83532213895509
1996	35.982598376949355
1997	36.10990408430079
1998	37.34741867769484
1999	38.442422032780804
2000	39.38370478919086
2001	39.93962680850842
2002	39.88066768755338
2003	39.11411278467353
2004	38.51355546061681
2005	38.10598326244937
2006	38.83094873199233
2007	39.611041004243184
2008	39.2603395616126
2009	35.69055886032325
2010	34.56075041462699
2011	34.092027478754815
2012	32.66190969136263
2013	32.27254377635485
2014	31.8536684394885
2015	31.93820093491859
2016	32.488348474954776
2017	33.36640408438625
2018	34.60047225690841
2019	35.319821764360526
2020	33.47636581088194
2021	34.846543232828935
2022	36.87581874660315
2023	37.98027561918396