Year	% (modeled ILO estimate)
1991	61.972
1992	61.85
1993	61.857
1994	61.821
1995	61.916
1996	61.947
1997	61.897
1998	61.947
1999	61.885
2000	61.995
2001	61.922
2002	62.137
2003	62.132
2004	63.849
2005	62.764
2006	61.787
2007	60.853
2008	59.909
2009	58.942
2010	57.956
2011	56.995
2012	56.125
2013	55.276
2014	54.285
2015	53.529
2016	52.964
2017	52.512
2018	52.19
2019	52.079
2020	51.389
2021	51.299
2022	52.11
2023	52.178