Year	% (modeled ILO estimate)
1991	47.298
1992	48.092
1993	48.678
1994	49.501
1995	50.149
1996	49.967
1997	49.265
1998	48.687
1999	48.42
2000	48.504
2001	48.588
2002	48.672
2003	48.756
2004	48.84
2005	48.925
2006	49.009
2007	49.093
2008	49.177
2009	49.261
2010	49.345
2011	49.429
2012	49.513
2013	49.598
2014	49.682
2015	49.766
2016	49.85
2017	48.98
2018	47.46
2019	45.07
2020	46.15
2021	42.92
2022	43.323
2023	43.387