Year	% (modeled ILO estimate)
1991	65.64099622901225
1992	66.04428382951873
1993	65.50353798870702
1994	65.27740189445197
1995	65.75696475733393
1996	67.19896479153633
1997	68.23527736644265
1998	68.64658343630606
1999	69.95586560364465
2000	70.15712778395643
2001	72.07617795811069
2002	75.71161888774729
2003	77.04546774287208
2004	77.32412426414875
2005	76.29128103796475
2006	75.59312153890994
2007	74.42138227368727
2008	75.26881720430107
2009	77.3076189218147
2010	77.6798109584995
2011	75.34699758866083
2012	76.09389782403028
2013	76.33108027985296
2014	76.45870769413547
2015	76.5528711224626
2016	77.24375718315744
2017	77.58398320335932
2018	77.82931494059002
2019	78.35624318759841
2020	78.24905590863038
2021	78.7863405629903
2022	78.01244520736904
2023	78.20500998924236