Year	% (modeled ILO estimate)
1991	78.973
1992	78.23
1993	77.468
1994	76.687
1995	75.888
1996	75.071
1997	74.235
1998	73.383
1999	72.512
2000	71.624
2001	70.719
2002	69.796
2003	68.856
2004	67.9
2005	66.928
2006	65.94
2007	64.25
2008	62.524
2009	60.765
2010	58.977
2011	57.164
2012	55.332
2013	53.485
2014	51.628
2015	51.413
2016	51.205
2017	50.974
2018	50.711
2019	50.405
2020	49.927
2021	49.943
2022	49.955
2023	49.796