Year	% (modeled ILO estimate)
1991	70.418
1992	70.295
1993	72.62
1994	74.219
1995	74.286
1996	74.69
1997	76.046
1998	73.698
1999	70.614
2000	68.652
2001	68.059
2002	66.828
2003	65.414
2004	66.92
2005	68.056
2006	70.418
2007	72.241
2008	73.585
2009	72.273
2010	73.204
2011	74.027
2012	74.755
2013	74.27
2014	75.226
2015	74.442
2016	72.928
2017	73.108
2018	73.465
2019	73.318
2020	71.032
2021	71.725
2022	71.141
2023	72.124