Year	% (modeled ILO estimate)
1991	67.076
1992	67.533
1993	66.413
1994	65.868
1995	66.178
1996	66.82
1997	68.498
1998	69.832
1999	70.284
2000	71.643
2001	72.224
2002	72.471
2003	70.781
2004	69.957
2005	67.899
2006	68.374
2007	69.561
2008	70.36
2009	69.51
2010	67.96
2011	67.257
2012	67.014
2013	65.736
2014	65.47
2015	65.547
2016	65.771
2017	66.261
2018	66.991
2019	67.498
2020	66.761
2021	66.604
2022	67.472
2023	68.17