Year	% (modeled ILO estimate)
1991	23.67
1992	23.888
1993	24.107
1994	24.328
1995	24.55
1996	24.773
1997	24.998
1998	25.224
1999	25.451
2000	25.68
2001	25.91
2002	25.926
2003	25.941
2004	25.957
2005	25.972
2006	25.988
2007	26.003
2008	26.019
2009	26.034
2010	26.05
2011	23.41
2012	24.468
2013	25.557
2014	26.678
2015	27.83
2016	27.807
2017	27.679
2018	27.585
2019	27.417
2020	26.896
2021	26.62
2022	26.468
2023	26.639