Year	% (modeled ILO estimate)
1991	45.944
1992	45.809
1993	45.72
1994	45.649
1995	45.652
1996	45.678
1997	45.755
1998	45.812
1999	45.855
2000	45.908
2001	45.805
2002	45.789
2003	45.766
2004	45.827
2005	45.829
2006	45.922
2007	46.006
2008	46.07
2009	45.986
2010	45.906
2011	45.965
2012	46.105
2013	46.235
2014	46.327
2015	46.344
2016	46.335
2017	46.372
2018	46.485
2019	46.482
2020	43.823
2021	44.531
2022	46.127
2023	46.6