Year	% (modeled ILO estimate)
1991	48.007
1992	47.791
1993	47.814
1994	47.71
1995	47.592
1996	47.474
1997	47.259
1998	47.108
1999	46.993
2000	46.842
2001	46.038
2002	44.944
2003	45.614
2004	45.753
2005	45.593
2006	45.44
2007	45.705
2008	45.958
2009	45.953
2010	46.384
2011	46.625
2012	46.988
2013	46.915
2014	46.983
2015	46.968
2016	46.867
2017	46.662
2018	46.508
2019	46.302
2020	45.173
2021	45.445
2022	46.155
2023	46.269