Year	% (modeled ILO estimate)
1991	22.31610527015267
1992	22.848115326245992
1993	22.610724278304456
1994	23.131935088051037
1995	22.977530291565383
1996	22.92825079645415
1997	22.981892326528904
1998	23.131854708677714
1999	23.865495006119975
2000	24.53059377200609
2001	25.05137585798575
2002	24.65562530916869
2003	25.21587402518934
2004	25.769088987597463
2005	26.376937450124284
2006	26.523409136171242
2007	27.11575338329444
2008	25.954703450332218
2009	26.558356853937333
2010	26.209618123004965
2011	25.782178027429435
2012	26.194006168017385
2013	26.01232011797288
2014	26.04894913934711
2015	26.898060956707056
2016	27.76595919209522
2017	27.530146018712035
2018	25.778946859236413
2019	24.4627151168753
2020	22.91246443167071
2021	22.993832949807338
2022	22.705273880037065
2023	23.199254599673715
