Year	% (modeled ILO estimate)
1991	69.231
1992	68.358
1993	68.257
1994	67.754
1995	67.016
1996	67.121
1997	67.447
1998	67.544
1999	67.865
2000	69.626
2001	70.652
2002	71.169
2003	70.929
2004	70.64
2005	70.41
2006	70.147
2007	69.904
2008	69.548
2009	69.509
2010	69.343
2011	69.277
2012	69.747
2013	69.868
2014	70.024
2015	70.152
2016	69.832
2017	69.564
2018	69.431
2019	69.564
2020	68.777
2021	68.272
2022	68.822
2023	69.136