Year	% (modeled ILO estimate)
1991	80.185
1992	81.25
1993	82.227
1994	83.102
1995	83.838
1996	83.301
1997	82.572
1998	81.681
1999	80.728
2000	79.826
2001	77.264
2002	74.757
2003	72.348
2004	70.047
2005	67.927
2006	68.029
2007	68.228
2008	68.549
2009	69.012
2010	69.569
2011	70.854
2012	71.975
2013	72.955
2014	73.818
2015	74.557
2016	74.156
2017	73.971
2018	73.788
2019	73.341
2020	72.345
2021	71.966
2022	73.345
2023	73.712