Year	% (modeled ILO estimate)
1991	31.388
1992	31.432
1993	28.06
1994	27.486
1995	26.58
1996	26.056
1997	25.213
1998	25.973
1999	25.441
2000	30.28
2001	28.452
2002	28.535
2003	27.154
2004	28.074
2005	27.501
2006	27.585
2007	27.494
2008	27.396
2009	25.324
2010	25.231
2011	25.989
2012	25.265
2013	23.644
2014	23.185
2015	23.364
2016	22.741
2017	22.663
2018	24.957
2019	26.561
2020	24.069
2021	24.748
2022	25.987
2023	26.896