Year	% (modeled ILO estimate)
1991	27.139
1992	27.13
1993	26.677
1994	26.576
1995	26.383
1996	26.317
1997	26.234
1998	26.256
1999	26.315
2000	26.21
2001	26.15
2002	26.014
2003	25.895
2004	25.737
2005	25.558
2006	25.314
2007	25.087
2008	24.874
2009	24.554
2010	24.306
2011	24.215
2012	24.181
2013	24.115
2014	24.027
2015	23.986
2016	23.974
2017	23.86
2018	23.711
2019	23.593
2020	22.657
2021	22.634
2022	23.495
2023	23.697