Year	% (modeled ILO estimate)
1991	23.09
1992	23.612
1993	24.003
1994	23.862
1995	23.826
1996	23.873
1997	24.287
1998	24.468
1999	24.589
2000	24.549
2001	22.903
2002	25.314
2003	23.147
2004	23.555
2005	23.624
2006	23.218
2007	23.375
2008	24.535
2009	20.308
2010	23.473
2011	23.542
2012	24.759
2013	21.665
2014	23.018
2015	23.97
2016	23.772
2017	25.694
2018	25.107
2019	25.828
2020	21.971
2021	26.292
2022	28.926
2023	30.13