Year	% (modeled ILO estimate)
1991	78.847
1992	78.491
1993	78.133
1994	77.76
1995	77.374
1996	76.981
1997	76.58
1998	76.172
1999	75.762
2000	75.349
2001	74.929
2002	74.574
2003	74.216
2004	73.853
2005	73.486
2006	73.12
2007	72.751
2008	72.379
2009	72.003
2010	71.63
2011	71.252
2012	70.123
2013	68.972
2014	67.805
2015	66.071
2016	64.341
2017	62.622
2018	67.216
2019	68.601
2020	67.465
2021	69.099
2022	70.549
2023	70.234