Year	% (modeled ILO estimate)
1991	28.594
1992	28.236
1993	27.796
1994	27.17
1995	26.874
1996	26.751
1997	26.635
1998	26.385
1999	25.952
2000	25.996
2001	25.889
2002	25.974
2003	25.645
2004	25.539
2005	25.571
2006	25.676
2007	25.289
2008	25.171
2009	25.19
2010	25.548
2011	25.594
2012	25.64
2013	25.354
2014	25.495
2015	25.037
2016	24.602
2017	24.086
2018	23.859
2019	23.988
2020	21.731
2021	22.127
2022	24.413
2023	25.045