Year	% (modeled ILO estimate)
1991	53.269
1992	53.007
1993	53
1994	53.019
1995	53.337
1996	53.446
1997	53.706
1998	53.584
1999	53.795
2000	53.967
2001	54.239
2002	54.357
2003	54.445
2004	54.52
2005	54.791
2006	55.087
2007	55.234
2008	55.305
2009	55.406
2010	55.338
2011	55.277
2012	55.124
2013	54.863
2014	54.598
2015	54.161
2016	53.647
2017	53.171
2018	52.024
2019	51.322
2020	49.731
2021	49.672
2022	50.683
2023	50.855