Year	% (modeled ILO estimate)
1991	82.673
1992	82.469
1993	81.963
1994	81.56
1995	81.258
1996	80.935
1997	80.619
1998	80.395
1999	80.168
2000	79.939
2001	79.019
2002	78.188
2003	77.441
2004	77.076
2005	76.593
2006	76.208
2007	75.805
2008	75.112
2009	74.508
2010	74.173
2011	73.971
2012	73.395
2013	72.828
2014	72.372
2015	71.888
2016	71.419
2017	70.825
2018	70.271
2019	69.503
2020	67.817
2021	68.912
2022	68.592
2023	68.137