Year	% (modeled ILO estimate)
1991	53.66
1992	53.567
1993	53.517
1994	53.448
1995	53.321
1996	53.27
1997	53.174
1998	53.035
1999	52.98
2000	52.896
2001	52.825
2002	52.738
2003	52.684
2004	52.155
2005	51.511
2006	50.975
2007	50.44
2008	49.805
2009	49.033
2010	48.312
2011	50.595
2012	55.249
2013	47.079
2014	48.647
2015	49.294
2016	49.575
2017	49.873
2018	49.953
2019	49.113
2020	46.783
2021	48.973
2022	48.359
2023	48.533