Year	% (modeled ILO estimate)
1991	58.107
1992	57.872
1993	57.568
1994	57.104
1995	56.924
1996	56.882
1997	56.846
1998	56.684
1999	56.346
2000	56.434
2001	56.376
2002	56.498
2003	56.247
2004	56.188
2005	56.249
2006	56.387
2007	56.084
2008	56.022
2009	56.09
2010	56.47
2011	56.526
2012	56.593
2013	56.375
2014	56.529
2015	56.158
2016	55.805
2017	55.373
2018	55.193
2019	55.329
2020	53.397
2021	53.583
2022	55.585
2023	56.074