Year	% (modeled ILO estimate)
1991	26.393
1992	25.937
1993	25.831
1994	25.56
1995	25.369
1996	25.367
1997	25.516
1998	25.71
1999	26.038
2000	26.253
2001	26.718
2002	27.018
2003	27.129
2004	27.381
2005	27.752
2006	27.92
2007	28.223
2008	28.764
2009	29.136
2010	28.573
2011	28.224
2012	27.99
2013	27.573
2014	27.207
2015	26.145
2016	25.036
2017	24.014
2018	21.479
2019	22.88
2020	20.315
2021	21.9
2022	24.15
2023	24.347