Year	% (modeled ILO estimate)
1991	45.009488478791916
1992	44.895937255421416
1993	44.723923945038074
1994	44.60150250873411
1995	44.53409788842974
1996	44.47662677890392
1997	44.307759079846186
1998	44.061529397071546
1999	43.76009108987336
2000	43.5885160104662
2001	43.5267909536518
2002	43.45483206949327
2003	43.32438281781123
2004	43.339939251471314
2005	43.313349181649464
2006	43.155780773903224
2007	42.90981904969841
2008	42.54372812174019
2009	41.94790998246293
2010	41.11555926421554
2011	40.95458809102907
2012	40.22514032393518
2013	39.78318709531525
2014	39.399328843597786
2015	39.1744250559661
2016	38.93329474121822
2017	38.55730467243401
2018	38.101327485902445
2019	37.754184542688456
2020	36.8451043117325
2021	36.8235456407542
2022	37.11228940471511
2023	37.197929295537726