Year	% (modeled ILO estimate)
1991	36.46930318319939
1992	36.610082147718565
1993	34.37672832638498
1994	33.63762228852335
1995	32.43831864184786
1996	30.943953076812136
1997	29.057334398877074
1998	27.61608672925757
1999	28.22303599747091
2000	27.763951549142437
2001	27.3427017815977
2002	27.335785451897166
2003	26.325830100946376
2004	26.00328410708318
2005	26.351133009507446
2006	26.415251341765767
2007	26.958196877730956
2008	27.35031599942741
2009	26.868112400100177
2010	26.604318493285465
2011	26.565304002309247
2012	25.77477215954836
2013	25.822353058861214
2014	25.537450334083236
2015	25.388701430179108
2016	25.447252097824308
2017	25.324581831743558
2018	25.11668557437463
2019	25.13177959849213
2020	22.952812542016726
2021	23.216999733892514
2022	23.53451457623565
2023	23.752976936491496