Year	% (modeled ILO estimate)
1991	57.094
1992	56.124
1993	55.664
1994	56.831
1995	58.167
1996	58.124
1997	57.846
1998	58.171
1999	58.451
2000	59.178
2001	59.037
2002	59.336
2003	59.829
2004	60.043
2005	61.164
2006	61.677
2007	62.344
2008	62.713
2009	61.804
2010	62.002
2011	62.116
2012	61.762
2013	61.283
2014	60.785
2015	61.07
2016	61.175
2017	61.536
2018	62.161
2019	62.547
2020	60.829
2021	62.478
2022	63.699
2023	63.97