Year	% (modeled ILO estimate)
1991	57.484
1992	57.636
1993	57.492
1994	57.257
1995	57.352
1996	57.476
1997	57.509
1998	58.596
1999	59.614
2000	56.73
2001	55.829
2002	55.025
2003	54.191
2004	53.395
2005	52.589
2006	58.939
2007	57.349
2008	54.899
2009	53.787
2010	55.662
2011	57.532
2012	52.015
2013	49.934
2014	57.791
2015	50.224
2016	46.918
2017	47.664
2018	51.193
2019	52.452
2020	48.526
2021	45.639
2022	46.662
2023	47.859