Year	% (modeled ILO estimate)
1991	33.423
1992	32.541
1993	29.823
1994	29.618
1995	28.887
1996	29.394
1997	28.53
1998	29.195
1999	27.47
2000	33.747
2001	31.838
2002	31.353
2003	30.448
2004	30.253
2005	29.744
2006	30.369
2007	29.956
2008	29.732
2009	27.408
2010	27.297
2011	27.742
2012	27.824
2013	25.347
2014	24.519
2015	24.991
2016	24.022
2017	24.28
2018	26.204
2019	27.115
2020	25.427
2021	25.635
2022	26.35
2023	26.524