Year	% (modeled ILO estimate)
1991	41.379
1992	41.176
1993	41.315
1994	40.977
1995	41.397
1996	41.515
1997	41.277
1998	41.708
1999	42.098
2000	43.086
2001	43.734
2002	44.265
2003	45.719
2004	45.18
2005	45.397
2006	45.536
2007	46.399
2008	46.915
2009	46.553
2010	46.416
2011	46.291
2012	46.37
2013	46.672
2014	46.471
2015	46.539
2016	46.538
2017	46.501
2018	46.769
2019	46.977
2020	46.6
2021	48.156
2022	48.773
2023	49.169