Year	% (modeled ILO estimate)
1991	72.479
1992	73.37
1993	74.393
1994	74.109
1995	73.582
1996	72.112
1997	72.78
1998	72.285
1999	69.749
2000	69.887
2001	70.383
2002	68.555
2003	68.875
2004	70.218
2005	71.503
2006	73.6
2007	73.916
2008	74.301
2009	73.642
2010	72.877
2011	72.836
2012	72.348
2013	71.409
2014	71.31
2015	71.171
2016	71.056
2017	71.788
2018	70.211
2019	65.986
2020	59.428
2021	60.024
2022	66.283
2023	66.891