Year	% (modeled ILO estimate)
1991	47.35262183087555
1992	47.11794953933843
1993	46.82882255580912
1994	46.58269686839223
1995	46.414215377755156
1996	46.331164994486286
1997	46.14343605802101
1998	45.878828005829554
1999	45.52337835338375
2000	45.274254011443475
2001	45.20519728477302
2002	45.14974945007731
2003	45.03523666871185
2004	45.026486081451466
2005	44.970901313517395
2006	44.8641263456785
2007	44.6414879126811
2008	44.30995736989906
2009	43.78688716256146
2010	42.99419534475012
2011	42.923992312925094
2012	42.2777728125671
2013	41.846781793101464
2014	41.44569853800623
2015	41.23463461675403
2016	41.08838268680589
2017	40.67749604107027
2018	40.28776219338604
2019	39.93262999093422
2020	39.17312252173514
2021	39.192162655997194
2022	39.454751903976856
2023	39.57050750960347