Year	% (modeled ILO estimate)
1991	46.23322686656209
1992	46.02819835814722
1993	45.70158745620821
1994	45.29131169208162
1995	44.86031841973989
1996	44.586865234661744
1997	44.40362912799476
1998	44.083950619829345
1999	43.63386581287787
2000	43.31524945496907
2001	43.162093501399106
2002	42.937109253376605
2003	42.79114323955081
2004	42.68767650706441
2005	42.61388665612488
2006	42.38428085804728
2007	42.07504678665661
2008	41.6613067073707
2009	41.27752634160122
2010	40.76089069392138
2011	40.45270099092121
2012	39.50706542104278
2013	38.80397467264031
2014	38.337556672287
2015	37.856852202437985
2016	37.2541452042875
2017	36.591185948680945
2018	36.1399368275804
2019	35.552183444998455
2020	34.20143145391629
2021	34.18881054681931
2022	34.791708139681276
2023	34.90843636568181