Year	% (modeled ILO estimate)
1991	53.344250605365325
1992	53.15780536216567
1993	52.8424840748841
1994	52.48056718594099
1995	52.143305077416144
1996	51.95820293184923
1997	51.71183854495416
1998	51.43433740877547
1999	51.141445666651094
2000	50.85064693318639
2001	50.69149492629069
2002	50.53829671586656
2003	50.35770481491821
2004	50.20398375345784
2005	50.045297186868325
2006	49.8432575087253
2007	49.54491026437
2008	49.17559017487043
2009	48.64087207678926
2010	47.98012191029362
2011	47.815150520482995
2012	47.00621624303826
2013	46.35446835462334
2014	45.85516687287749
2015	45.705376818430295
2016	45.55433534907511
2017	45.13907124471395
2018	44.65146822356824
2019	44.34357525147871
2020	43.860046897570186
2021	43.70676787249023
2022	43.6145971079725
2023	43.755463630223886
