Year	% (modeled ILO estimate)
1991	47.35262183087555
1992	47.11794953933843
1993	46.828822555809126
1994	46.58269686839222
1995	46.414215377755134
1996	46.33116499448628
1997	46.143436058020995
1998	45.87882800582955
1999	45.52337835338374
2000	45.27425401144348
2001	45.20519728477302
2002	45.149749450077294
2003	45.035236668711875
2004	45.02648608145147
2005	44.97090131351738
2006	44.8641263456785
2007	44.64148791268111
2008	44.30995736989906
2009	43.78688716256147
2010	42.99419534475014
2011	42.9239923129251
2012	42.2777728125671
2013	41.84678179310148
2014	41.44569853800623
2015	41.234634616754036
2016	41.08838268680591
2017	40.67749604107028
2018	40.28776219338604
2019	39.93262999093422
2020	39.17312252173513
2021	39.192162655997194
2022	39.45475190397686
2023	39.57050750960347