Year	% (modeled ILO estimate)
1991	50.088
1992	48.778
1993	51.219
1994	50.46
1995	52.809
1996	52.314
1997	53.07
1998	57.67
1999	56.449
2000	54.912
2001	53.695
2002	51.368
2003	49.96
2004	51.548
2005	52.14
2006	53.388
2007	52.268
2008	54.097
2009	49.436
2010	48.641
2011	48.007
2012	45.143
2013	43.266
2014	47.681
2015	50.649
2016	51.006
2017	53.333
2018	49.759
2019	49.736
2020	42.131
2021	45.178
2022	45.428
2023	46.475