Year	% (modeled ILO estimate)
1991	40.11725233452877
1992	39.77453959555561
1993	39.78746367364067
1994	39.52645158865214
1995	39.196676238033675
1996	38.90679169580842
1997	38.46795163774264
1998	38.012087863611754
1999	37.67254590248893
2000	37.648760239034765
2001	37.60710817256517
2002	37.517128288534764
2003	37.14867121907019
2004	36.923654905242294
2005	37.02388894219633
2006	37.31184922048389
2007	37.63867756992903
2008	37.977600598513106
2009	38.516997603247475
2010	38.85675729493037
2011	39.12903059346616
2012	39.57552644268686
2013	40.00109784915034
2014	40.4206371374936
2015	40.21996801130531
2016	39.756190380458506
2017	39.516479094772116
2018	39.558808480294914
2019	39.821363754578044
2020	39.06719264583662
2021	39.057073264077395
2022	40.21061320746277
2023	40.48071224128412