Year	% (modeled ILO estimate)
1991	40.83715580919054
1992	41.11871196587792
1993	41.59402621440592
1994	41.886602427737685
1995	42.57467632496621
1996	41.88872919492128
1997	42.29850754739539
1998	43.04499561455893
1999	43.32376013467161
2000	42.75471013282768
2001	42.71651106862408
2002	43.160476650673615
2003	43.25109520450402
2004	43.826122578803115
2005	44.41394860508923
2006	44.18264154487118
2007	43.94880875960998
2008	43.42656879373408
2009	43.287896877450144
2010	42.32482517568948
2011	41.54154297877793
2012	41.36909256129092
2013	40.527772410849614
2014	39.86051468257422
2015	39.55787460384411
2016	40.06091474390073
2017	40.395029832303294
2018	40.6662728912667
2019	41.229040061154365
2020	37.23331542432026
2021	40.4104269384512
2022	40.41727595484779
2023	40.078892847701034