Year	% (modeled ILO estimate)
1991	31.107131865364707
1992	32.21257982923182
1993	30.389239861422457
1994	31.037436590687033
1995	29.43954235138563
1996	28.726342571805652
1997	28.027121249553925
1998	27.341975513821954
1999	27.642724608061958
2000	28.458701551736137
2001	29.39182366348345
2002	26.813332352291958
2003	27.436216732790825
2004	28.074226098854115
2005	28.72719618299186
2006	29.3969675609183
2007	32.30174884725626
2008	30.02497050187965
2009	31.554581903856494
2010	30.79601791671651
2011	30.116031637692213
2012	30.313617049976394
2013	31.25186978160951
2014	31.789945301118717
2015	32.15193089430895
2016	32.930945706276106
2017	32.828806925996204
2018	27.069651008687966
2019	23.19084729872261
2020	21.336824858095856
2021	22.200196802669673
2022	22.7978326648371
2023	23.071961411184024