Year	% (modeled ILO estimate)
1991	48.29504357274567
1992	47.65010318923475
1993	46.74126156951134
1994	46.19463206072968
1995	45.43194415934787
1996	44.6338543403602
1997	43.91834963000063
1998	43.36433132136132
1999	42.926490864621876
2000	42.27606379899428
2001	41.79150996772877
2002	41.508168075403056
2003	40.9865663758293
2004	40.6913981214499
2005	40.35236435812512
2006	39.7970075106873
2007	39.17354923540085
2008	38.51625206029949
2009	37.938604953308875
2010	37.07642371230833
2011	36.33419478071829
2012	35.66074067059266
2013	35.105423518142445
2014	34.54989754920243
2015	34.21777551800954
2016	33.78242044394879
2017	33.374232669775296
2018	32.827196093511056
2019	32.69183755836624
2020	31.168730302116476
2021	31.645641424342926
2022	31.829454909031377
2023	32.4608313183073