Year	% (modeled ILO estimate)
1991	44.65063798578008
1992	42.828959208455814
1993	39.68142444792351
1994	38.07723205351183
1995	37.85174232864364
1996	36.98101713090511
1997	36.74250206445435
1998	37.532472860655346
1999	37.614639371267586
2000	37.95820225642211
2001	38.022708861722386
2002	37.400647840737825
2003	36.610834660951724
2004	35.9221011583293
2005	35.62345708505727
2006	36.40654165228166
2007	37.47127646752352
2008	37.470766063436116
2009	34.45252953563346
2010	33.58270466531483
2011	33.07674519140128
2012	31.976483890660816
2013	31.716648009370335
2014	31.70372133428143
2015	32.0596651961703
2016	32.69607163854368
2017	33.646458999991815
2018	34.63450590866802
2019	35.304103467843525
2020	33.36956020825773
2021	34.25120925185039
2022	35.989981298012864
2023	36.78604458348011