Year	% (modeled ILO estimate)
1991	79.191
1992	79.069
1993	79.085
1994	78.689
1995	79.193
1996	79.351
1997	79.801
1998	79.812
1999	79.91
2000	79.958
2001	79.966
2002	80.018
2003	80.11
2004	80.299
2005	80.342
2006	79.561
2007	78.839
2008	78.083
2009	77.277
2010	76.339
2011	75.366
2012	74.334
2013	73.353
2014	72.388
2015	71.398
2016	70.324
2017	69.242
2018	69.936
2019	70.614
2020	70.302
2021	70.193
2022	71.462
2023	71.494