Year	% (modeled ILO estimate)
1991	74.741
1992	74.662
1993	74.532
1994	74.829
1995	75.108
1996	75.692
1997	75.832
1998	75.914
1999	75.916
2000	75.871
2001	75.871
2002	76.435
2003	77.055
2004	77.692
2005	78.178
2006	78.711
2007	79.229
2008	77.316
2009	75.261
2010	73.097
2011	72.231
2012	71.369
2013	70.475
2014	69.555
2015	69.532
2016	69.483
2017	69.391
2018	69.297
2019	69.207
2020	68.315
2021	67.944
2022	69.146
2023	69.294