Year	% (modeled ILO estimate)
1991	22.939
1992	23.217
1993	23.613
1994	23.447
1995	23.207
1996	23.005
1997	22.778
1998	22.497
1999	22.245
2000	21.967
2001	21.851
2002	21.671
2003	22.239
2004	22.828
2005	23.415
2006	24.141
2007	24.403
2008	24.654
2009	24.844
2010	25.011
2011	25.263
2012	25.476
2013	25.649
2014	25.762
2015	25.825
2016	25.932
2017	26.047
2018	26.142
2019	24.069
2020	21.972
2021	22.448
2022	24.726
2023	26.062