Year	% (modeled ILO estimate)
1991	61.183170571395294
1992	60.51514874466431
1993	59.52120491886511
1994	58.70863988617627
1995	57.79405772538423
1996	56.99825972404103
1997	56.41794990501325
1998	55.62745270477523
1999	55.04128365937108
2000	54.413256910799575
2001	53.80014866411937
2002	52.98820016585162
2003	52.43323206246994
2004	52.28763708758599
2005	51.585648591397714
2006	51.008930511901205
2007	50.28329541104026
2008	49.41865983461208
2009	48.28581478263898
2010	47.48852835656121
2011	46.56348019619879
2012	45.633413040268806
2013	44.926553251297705
2014	44.10858884234669
2015	43.141668845215975
2016	42.34401759415029
2017	41.717575510493354
2018	41.30759714814457
2019	41.06866908073425
2020	38.89686094348196
2021	39.87859999832722
2022	40.55050042059504
2023	40.528929826428886