Year	% (modeled ILO estimate)
1991	70.192
1992	70.799
1993	69.708
1994	65.312
1995	65.727
1996	68.274
1997	69.079
1998	70.759
1999	67.905
2000	70.525
2001	68.63
2002	70.435
2003	70.458
2004	68.179
2005	66.626
2006	70.195
2007	70.221
2008	68.146
2009	66.157
2010	68.846
2011	69.222
2012	68.897
2013	68.932
2014	68.353
2015	66.777
2016	67.79
2017	69.551
2018	68.356
2019	66.659
2020	65.463
2021	66.533
2022	66.576
2023	65.863