Year	% (modeled ILO estimate)
1991	43.207
1992	44.317
1993	44.368
1994	47.33
1995	48.888
1996	46.532
1997	48.818
1998	51.095
1999	48.748
2000	49.988
2001	52.069
2002	47.07
2003	45.094
2004	44.639
2005	46.054
2006	45.321
2007	46.196
2008	46.347
2009	46.606
2010	45.807
2011	47.203
2012	46.47
2013	45.572
2014	46.117
2015	44.323
2016	43.467
2017	41.99
2018	43.051
2019	42.951
2020	39.098
2021	39.616
2022	40.803
2023	41.42