Year	% (modeled ILO estimate)
1991	59.651
1992	59.646
1993	59.997
1994	59.749
1995	59.521
1996	57.309
1997	57.542
1998	56.923
1999	56.853
2000	57.294
2001	57.741
2002	58.525
2003	58.053
2004	59.249
2005	59.541
2006	59.815
2007	59.733
2008	60.196
2009	59.604
2010	59.109
2011	58.477
2012	59.165
2013	59.215
2014	59.217
2015	58.361
2016	56.483
2017	55.971
2018	56.31
2019	56.948
2020	52.03
2021	54.075
2022	57.503
2023	57.9