Year	% (modeled ILO estimate)
1991	63.25068849608413
1992	63.088575027507645
1993	63.04841036019576
1994	62.05212867993293
1995	60.53892621025249
1996	58.7838356068531
1997	59.08364017751734
1998	58.535593075079866
1999	57.26115750537572
2000	56.19516021717577
2001	55.938635456107676
2002	55.03521962503275
2003	55.03390333494548
2004	55.592348740853595
2005	55.835101340121085
2006	56.19888326380782
2007	55.80456474668548
2008	55.62576929672475
2009	54.18572490282441
2010	53.75046375188893
2011	53.33768348186268
2012	53.74308501729705
2013	52.45084819677095
2014	51.93502349876706
2015	50.89043814762662
2016	48.90408694832966
2017	48.72222218367177
2018	48.64716550541409
2019	48.6455003242742
2020	43.35390597047468
2021	46.589733795695345
2022	48.58915292053159
2023	48.493215523501114