Year	% (modeled ILO estimate)
1991	76.102
1992	75.046
1993	73.943
1994	72.809
1995	71.632
1996	70.419
1997	69.183
1998	67.915
1999	66.622
2000	65.316
2001	63.986
2002	62.641
2003	61.275
2004	59.899
2005	58.504
2006	57.105
2007	55.584
2008	54.063
2009	52.54
2010	51.016
2011	49.49
2012	47.966
2013	46.447
2014	44.936
2015	44.768
2016	44.592
2017	44.399
2018	44.181
2019	43.937
2020	43.52
2021	43.379
2022	43.506
2023	43.297