Year	% (modeled ILO estimate)
1991	42.341
1992	42.487
1993	42.602
1994	42.633
1995	42.584
1996	43.203
1997	43.562
1998	43.852
1999	43.966
2000	44.065
2001	44.142
2002	44.08
2003	44.136
2004	45.121
2005	46.057
2006	46.218
2007	46.712
2008	45.81
2009	44.509
2010	44.953
2011	46.04
2012	47.21
2013	46.902
2014	47.327
2015	46.953
2016	47.517
2017	47.888
2018	46.359
2019	46.405
2020	44.859
2021	44.958
2022	45.57
2023	45.996