Year	% (modeled ILO estimate)
1991	69.106
1992	68.571
1993	68.389
1994	69.21
1995	67.756
1996	69.308
1997	69.646
1998	71.562
1999	72.294
2000	70.894
2001	70.575
2002	70.094
2003	70.537
2004	70.27
2005	70.575
2006	71.039
2007	71.248
2008	71.644
2009	71.048
2010	71.653
2011	71.481
2012	72.247
2013	69.786
2014	69.561
2015	71.611
2016	71.921
2017	71.623
2018	70.101
2019	69.967
2020	68.494
2021	68.959
2022	69.369
2023	68.402