Year	% (modeled ILO estimate)
1991	38.06419213846981
1992	37.87107810027938
1993	37.60540514802503
1994	37.39929406971571
1995	36.970382505295035
1996	36.93035534502381
1997	36.95936966207507
1998	36.82653415056961
1999	36.25359334496156
2000	35.73910407606655
2001	35.89321659311287
2002	36.09768811988599
2003	36.043231719032114
2004	35.885728251302105
2005	35.72897969221264
2006	35.56588701072121
2007	35.26771838647049
2008	35.00988158442375
2009	34.77372156211151
2010	34.570825684063585
2011	34.2667141083952
2012	33.70386198176211
2013	33.432531112905004
2014	33.26896076187378
2015	33.026292955234986
2016	32.76508159546612
2017	32.44096514411193
2018	32.01669018779263
2019	31.86379324914027
2020	30.982872308967607
2021	31.03728761476757
2022	31.101621686557042
2023	31.192608954780415