Year	% (modeled ILO estimate)
1991	34.74824163975931
1992	35.03932202318352
1993	35.41674885871065
1994	34.95681531076592
1995	34.37489550489637
1996	33.440998477753865
1997	33.65894065714756
1998	33.804012045657984
1999	33.40399740458111
2000	32.83324433062839
2001	33.143587381067945
2002	32.87542640891417
2003	32.63398633876327
2004	33.20859667588494
2005	34.166875907003465
2006	34.48726267015032
2007	34.723822321266816
2008	34.61687834463759
2009	33.65272003232689
2010	33.404775456921115
2011	33.16391778412147
2012	33.384420511877686
2013	32.70301040710551
2014	32.22900878121481
2015	31.269819050553988
2016	30.454420995098406
2017	30.344990576037592
2018	30.642454449446515
2019	30.911897791852322
2020	26.42742908176847
2021	29.50000998558642
2022	31.54272439465206
2023	32.10143733958136