Year	% (modeled ILO estimate)
1991	29.885677033140635
1992	29.823542002935046
1993	29.463160264420956
1994	29.831859399975244
1995	29.68353531914906
1996	29.612125998915413
1997	29.482240104252263
1998	29.500221612066955
1999	29.556389264884366
2000	29.148525100842697
2001	28.817742173885243
2002	28.792403428464862
2003	28.509001171292986
2004	28.425480426844363
2005	28.137188750670486
2006	27.868808915105404
2007	27.41579194442869
2008	26.886018427861003
2009	26.561822023228267
2010	26.1021681558561
2011	25.630335831457543
2012	25.35319257788482
2013	25.070497953570467
2014	24.71775936071772
2015	24.630333373655283
2016	24.289533891923952
2017	23.991286016530825
2018	23.40757626998645
2019	23.300042807189627
2020	22.287862676035825
2021	22.521206898551473
2022	22.984902174818973
2023	24.111376986759126