Year	% (modeled ILO estimate)
1991	45.831
1992	46.305
1993	45.712
1994	45.473
1995	45.81
1996	45.631
1997	45.998
1998	46.111
1999	47.42
2000	48.844
2001	47.745
2002	47.653
2003	47.406
2004	48.201
2005	48.801
2006	48.728
2007	49.592
2008	49.933
2009	49.241
2010	49.588
2011	49.402
2012	49.235
2013	49.045
2014	48.951
2015	48.789
2016	48.951
2017	50.023
2018	50.966
2019	51.475
2020	50.833
2021	51.079
2022	52.036
2023	51.878