Year	% (modeled ILO estimate)
1991	68.76090501810792
1992	67.91821041755547
1993	66.48115950137667
1994	65.3617930421186
1995	64.18074042248313
1996	62.97153787607516
1997	61.58916838188035
1998	60.30065241360429
1999	59.129837383578334
2000	58.15610667158714
2001	57.09370839224781
2002	55.783502554437305
2003	54.64538121508837
2004	54.09142929987915
2005	52.92224311672444
2006	52.35694470186157
2007	51.945850052557866
2008	51.084320166186096
2009	50.18306413532848
2010	49.47344981599047
2011	48.68898618303648
2012	48.20736213766319
2013	47.39134037710837
2014	46.57935580721345
2015	45.81348401714562
2016	45.135040195023755
2017	44.47137477952176
2018	44.226566500624294
2019	43.73907736257359
2020	40.502747991098914
2021	40.799289066459586
2022	40.23330853785001
2023	40.21001596080064