Year	% (modeled ILO estimate)
1991	31.63841254807333
1992	31.81002389034946
1993	31.610769117751666
1994	31.858534676148064
1995	31.762960147424867
1996	32.01913282984185
1997	32.22774469721861
1998	32.53125319844765
1999	32.64249248542847
2000	32.67431998501047
2001	32.426053833298134
2002	32.05817581355077
2003	32.05279385309575
2004	31.980885123761137
2005	32.00316790610525
2006	32.08950138794753
2007	32.36898928729845
2008	32.301911893327336
2009	32.342909741111995
2010	32.34696633232422
2011	32.19034317585972
2012	32.02944945832059
2013	32.001806504672054
2014	32.00907005146594
2015	32.0849067280685
2016	32.22155047247213
2017	32.3263907321625
2018	32.347687047752004
2019	32.60003192355204
2020	31.309905400145915
2021	32.16225539442164
2022	33.213487346094944
2023	35.4583895183523