Year	% (modeled ILO estimate)
1991	53.87
1992	54.24
1993	54.119
1994	57.55
1995	58.379
1996	57.405
1997	58.488
1998	59.56
1999	57.518
2000	57.97
2001	59.526
2002	55.112
2003	52.493
2004	52.683
2005	53.052
2006	53.379
2007	55.015
2008	53.861
2009	54.09
2010	53.604
2011	54.584
2012	53.381
2013	53.335
2014	53.035
2015	50.6
2016	49.432
2017	47.999
2018	47.717
2019	47.479
2020	42.734
2021	44.795
2022	45.086
2023	45.929