Year	% (modeled ILO estimate)
1991	50.63223810486708
1992	50.57675078303204
1993	50.522584940444816
1994	50.53527638654345
1995	50.74179165156835
1996	51.131551716257746
1997	51.500772694180185
1998	51.82997224478103
1999	52.11203484191871
2000	52.39730423951409
2001	51.938003473115835
2002	51.46782302041252
2003	51.02886619065396
2004	50.607348871530355
2005	50.144964432092195
2006	50.18609141835429
2007	50.200774803739115
2008	50.20361422345879
2009	50.23680903287156
2010	50.392845133776085
2011	49.90031153533582
2012	49.315487419169855
2013	49.240979353245855
2014	49.109602020502265
2015	48.96706639182572
2016	48.77851682859298
2017	48.65569401427382
2018	48.29114414936206
2019	48.47769732004104
2020	47.14953543913575
2021	48.379965954562
2022	49.83893428082699
2023	52.01740597258471