Year	% (modeled ILO estimate)
1991	45.079
1992	44.903
1993	44.71
1994	44.517
1995	44.361
1996	44.463
1997	44.522
1998	44.505
1999	44.405
2000	44.296
2001	44.47
2002	44.589
2003	44.642
2004	44.75
2005	44.774
2006	45.161
2007	45.453
2008	45.717
2009	45.699
2010	45.537
2011	46.176
2012	46.69
2013	47.036
2014	47.211
2015	47.252
2016	46.875
2017	46.401
2018	46.023
2019	45.43
2020	44.37
2021	44.196
2022	45.322
2023	45.512