Year	% (modeled ILO estimate)
1991	56.747
1992	56.867
1993	55.269
1994	54.689
1995	49.947
1996	51.379
1997	53.437
1998	55.058
1999	53.735
2000	52.96
2001	50.99
2002	48.436
2003	51.697
2004	53.566
2005	54.43
2006	55.571
2007	55.941
2008	55.692
2009	55.523
2010	55.549
2011	56.295
2012	56.002
2013	55.703
2014	55.119
2015	54.739
2016	54.249
2017	53.899
2018	54.105
2019	54.357
2020	49.6
2021	55.085
2022	56.351
2023	56.613