Year	% (modeled ILO estimate)
1991	47.675
1992	47.479
1993	47.069
1994	46.441
1995	45.841
1996	45.31
1997	44.928
1998	44.556
1999	44.166
2000	43.737
2001	43.52
2002	43.386
2003	43.336
2004	43.246
2005	43.281
2006	43.151
2007	43.13
2008	43.373
2009	43.401
2010	43.425
2011	43.451
2012	43.493
2013	43.679
2014	43.834
2015	43.918
2016	44.004
2017	43.862
2018	43.601
2019	43.413
2020	43.825
2021	44.15
2022	43.925
2023	43.595