Year	% (modeled ILO estimate)
1991	59.14
1992	59.362
1993	59.136
1994	60.072
1995	60.664
1996	60.837
1997	60.869
1998	56.401
1999	56.758
2000	59.07
2001	59.59
2002	60.545
2003	59.817
2004	60.546
2005	60.373
2006	60.488
2007	60.561
2008	60.136
2009	59.221
2010	59.323
2011	59.69
2012	59.976
2013	60.198
2014	60.972
2015	60.927
2016	60.893
2017	61.163
2018	60.94
2019	61.186
2020	60.342
2021	60.784
2022	62.374
2023	62.791