Year	% (modeled ILO estimate)
1991	28.677
1992	28.438
1993	28.15
1994	27.707
1995	27.522
1996	27.492
1997	27.482
1998	27.31
1999	26.995
2000	27.102
2001	27.046
2002	27.165
2003	26.902
2004	26.842
2005	26.884
2006	27.011
2007	26.722
2008	26.621
2009	26.633
2010	26.993
2011	26.978
2012	26.943
2013	26.653
2014	26.753
2015	26.337
2016	26.011
2017	25.582
2018	25.451
2019	25.656
2020	23.208
2021	23.666
2022	25.955
2023	26.428