Year	% (modeled ILO estimate)
1991	78.001
1992	77.935
1993	77.917
1994	77.873
1995	77.755
1996	77.639
1997	75.671
1998	75.58
1999	75.153
2000	74.294
2001	74.998
2002	74.777
2003	74.359
2004	74.095
2005	75.039
2006	75.929
2007	76.778
2008	77.858
2009	78.925
2010	80.132
2011	80.379
2012	79.99
2013	80.452
2014	80.525
2015	80.583
2016	79.837
2017	79.446
2018	80.034
2019	79.648
2020	77.58
2021	75.931
2022	76.602
2023	76.423