Year	% (modeled ILO estimate)
1991	38.93441023680353
1992	38.0444944360254
1993	35.53201582770871
1994	34.513560058496054
1995	33.39703395452546
1996	32.265808728091905
1997	31.134198811856674
1998	30.775035315633808
1999	31.470864362582954
2000	31.59030900894719
2001	31.37049790909729
2002	31.39016357612051
2003	30.6343539216726
2004	30.23896665896007
2005	30.23824473964286
2006	30.47119072423946
2007	31.103383839632723
2008	31.37669868257722
2009	30.364637590879244
2010	29.755194200075902
2011	29.64273286107609
2012	28.943010512260056
2013	28.993272608252997
2014	28.922318510150976
2015	29.22252554006479
2016	29.590414640352417
2017	29.844669746210336
2018	29.913308729394192
2019	30.124947400585796
2020	28.03969606616507
2021	28.53418182003167
2022	30.095694748917587
2023	30.66980248311328