Year	% (modeled ILO estimate)
1991	70.27923335317483
1992	70.179180459362
1993	70.11159559458898
1994	70.26497376684524
1995	70.48266000051358
1996	70.54771983886918
1997	70.59697227512592
1998	70.6868580126955
1999	70.75389835056008
2000	70.78410023683945
2001	70.81192348587545
2002	70.8542287153132
2003	70.87089427138976
2004	70.94341769209342
2005	71.02771942218547
2006	70.90938313576909
2007	70.96487984402388
2008	71.04015600700663
2009	71.0880767046059
2010	71.14903484552676
2011	71.16977119011113
2012	71.20789032594594
2013	71.42956509913589
2014	71.69739246164288
2015	72.18936369120723
2016	72.45886230287675
2017	72.90635065107341
2018	73.04000030552733
2019	73.05909158618272
2020	72.94594502898295
2021	73.66738075384933
2022	73.08361908051837
2023	73.33886764861815