Year	% (modeled ILO estimate)
1991	54.45
1992	53.838
1993	53.682
1994	53.298
1995	53.098
1996	52.689
1997	51.86
1998	51.088
1999	50.357
2000	49.583
2001	48.798
2002	47.95
2003	47.165
2004	46.377
2005	46.414
2006	46.124
2007	45.766
2008	45.459
2009	45.118
2010	44.828
2011	44.501
2012	43.571
2013	42.632
2014	41.711
2015	43.658
2016	45.545
2017	45.004
2018	44.638
2019	44.706
2020	41.55
2021	41.916
2022	45.105
2023	46.352