Year	% (modeled ILO estimate)
1991	79.115
1992	79.071
1993	78.978
1994	78.832
1995	78.62
1996	78.59
1997	78.483
1998	78.321
1999	78.152
2000	78.015
2001	77.962
2002	78.306
2003	78.645
2004	78.98
2005	79.311
2006	79.638
2007	78.813
2008	77.964
2009	77.093
2010	76.198
2011	75.278
2012	74.333
2013	73.365
2014	72.373
2015	71.48
2016	70.515
2017	69.538
2018	68.536
2019	67.498
2020	66.097
2021	65.907
2022	65.694
2023	66.054