Year	% (modeled ILO estimate)
1991	45.449273132343905
1992	44.377562618257734
1993	43.09998938617801
1994	42.74128313483013
1995	41.9835438655823
1996	40.82978112985056
1997	39.19032436220346
1998	38.75812761962741
1999	37.73866937775416
2000	37.22063913620894
2001	36.50181264324354
2002	35.46213388116188
2003	36.136288662570806
2004	35.51769570903867
2005	34.97688604559513
2006	35.146223613549125
2007	34.62496420898919
2008	34.20940671999806
2009	32.13477716574291
2010	31.39775850559079
2011	31.159914804756447
2012	30.53518889791593
2013	30.09874344862074
2014	30.248390555265452
2015	30.695101029187562
2016	30.985737853688526
2017	30.891399796301567
2018	31.19622191311163
2019	31.586460148412925
2020	28.973619181987203
2021	28.39916755139782
2022	29.08606332642667
2023	29.855853537291647