Year	% (modeled ILO estimate)
1991	30.998885006439735
1992	30.879473505212175
1993	30.799347780950498
1994	30.79055492950216
1995	30.550699699599114
1996	30.562221918500576
1997	30.483981396818827
1998	30.440357825246405
1999	30.23720724234256
2000	29.71743592387636
2001	29.780538830084513
2002	29.750848895967454
2003	29.468640570098536
2004	29.198985716113683
2005	28.999944376116645
2006	28.603882654882288
2007	28.080735529689917
2008	27.692945677008048
2009	27.40689120380266
2010	26.876731138186127
2011	26.16977575450921
2012	25.394519579755492
2013	25.0767046916485
2014	24.798561702200942
2015	24.500571678789086
2016	23.865301757530297
2017	23.31191181367359
2018	22.49289373602288
2019	22.198957603442697
2020	21.585363663868993
2021	21.401273829076413
2022	21.797663797918723
2023	23.06779377878446