Year	% (modeled ILO estimate)
1991	47.672
1992	39.201
1993	40.794
1994	42.438
1995	44.128
1996	44.206
1997	43.446
1998	40.868
1999	39.908
2000	40.486
2001	39.879
2002	40
2003	39.924
2004	39.755
2005	39.392
2006	39.062
2007	38.439
2008	39.179
2009	38.646
2010	39.315
2011	45.255
2012	43.211
2013	37.823
2014	37.037
2015	38.946
2016	42.559
2017	43.402
2018	45.194
2019	46.834
2020	43.81
2021	45.399
2022	46.846
2023	47.046