Year	% (modeled ILO estimate)
1991	68.083
1992	67.94
1993	65.52
1994	65.626
1995	68.015
1996	67.941
1997	68.869
1998	68.346
1999	68.58
2000	68.199
2001	68.295
2002	68.239
2003	67.815
2004	68.103
2005	67.947
2006	68.738
2007	68.497
2008	68.081
2009	64.395
2010	62.408
2011	62.303
2012	61.4
2013	60.703
2014	61.199
2015	62.027
2016	62.13
2017	62.211
2018	62.91
2019	63.648
2020	62.849
2021	63.785
2022	64.494
2023	64.487