Year	% (modeled ILO estimate)
1991	58.382
1992	58.38
1993	58.128
1994	58.023
1995	57.868
1996	57.935
1997	57.961
1998	57.946
1999	57.839
2000	57.815
2001	57.872
2002	58.067
2003	58.094
2004	58.13
2005	58.019
2006	58.044
2007	58.036
2008	58.059
2009	58.098
2010	58.124
2011	58.133
2012	57.845
2013	57.591
2014	57.341
2015	57.054
2016	56.659
2017	56.293
2018	56.006
2019	55.805
2020	55.026
2021	55.507
2022	56.703
2023	56.997