Year	% (modeled ILO estimate)
1991	45.609
1992	45.649
1993	45.65
1994	45.599
1995	45.529
1996	45.404
1997	45.286
1998	45.367
1999	45.306
2000	45.201
2001	45.193
2002	45.162
2003	45.076
2004	44.74
2005	45.296
2006	45.369
2007	45.656
2008	45.001
2009	45.725
2010	46.143
2011	46.921
2012	46.515
2013	46.362
2014	47.15
2015	46.964
2016	46.67
2017	43.678
2018	44.158
2019	45.228
2020	41.364
2021	42.348
2022	45.15
2023	46.006