Year	% (modeled ILO estimate)
1991	42.73088495983669
1992	42.54697243305902
1993	42.3490996206492
1994	42.07020830552341
1995	41.76663392259441
1996	41.59259218724316
1997	41.390858362821824
1998	41.17885402208891
1999	40.976336064549535
2000	40.76889262825313
2001	40.67890693651636
2002	40.547950077241794
2003	40.33661620588462
2004	40.165967824410174
2005	39.91059712166887
2006	39.7339535013372
2007	39.511332956703434
2008	39.031418546247195
2009	38.51867272512071
2010	37.977249472969305
2011	37.62918007601989
2012	36.048989151897764
2013	34.500670152991745
2014	33.79864281010023
2015	33.58826604588081
2016	33.324630057709825
2017	32.70905331667347
2018	32.07341797403689
2019	31.72280424473501
2020	31.137885966129847
2021	31.11882976200522
2022	31.093170293080284
2023	31.151690759285913