Year	% (modeled ILO estimate)
1991	48.381
1992	50.072
1993	51.764
1994	51.043
1995	50.938
1996	50.702
1997	50.465
1998	50.53
1999	50.67
2000	50.133
2001	49.594
2002	49.055
2003	49.506
2004	49.269
2005	48.917
2006	47.008
2007	47.136
2008	49.755
2009	49.762
2010	47.002
2011	43.38
2012	45.91
2013	46.445
2014	44.685
2015	43.174
2016	43.551
2017	43.626
2018	45.614
2019	46.439
2020	43.48
2021	45.483
2022	45.789
2023	46.011