Year	% (modeled ILO estimate)
1991	74.228
1992	72.493
1993	72.973
1994	71.049
1995	71.37
1996	67.478
1997	66.839
1998	64.173
1999	63.817
2000	66.598
2001	67.064
2002	65.166
2003	67.46
2004	64.275
2005	62.779
2006	61.324
2007	63.064
2008	61.048
2009	59.518
2010	59.663
2011	61.281
2012	63.114
2013	62.078
2014	63.911
2015	65.219
2016	64.608
2017	65.761
2018	63.427
2019	63.42
2020	63.636
2021	63.91
2022	63.271
2023	62.979