Year	% (modeled ILO estimate)
1991	68.163
1992	64.543
1993	60.336
1994	59.678
1995	60.937
1996	60.092
1997	59.647
1998	60.464
1999	61.441
2000	62.149
2001	63.592
2002	63.192
2003	62.586
2004	61.734
2005	62.004
2006	62.925
2007	63.834
2008	63.964
2009	61.591
2010	61.707
2011	62.48
2012	62.17
2013	62.533
2014	62.58
2015	62.883
2016	63.285
2017	63.914
2018	64.371
2019	64.428
2020	63.359
2021	63.523
2022	65.067
2023	65.035