Year	% (modeled ILO estimate)
1991	44.154
1992	44.19
1993	44.233
1994	44.237
1995	44.176
1996	44.033
1997	43.809
1998	43.525
1999	43.194
2000	42.823
2001	42.428
2002	42.104
2003	42.067
2004	42.421
2005	42.699
2006	42.705
2007	42.489
2008	42.105
2009	41.619
2010	41.275
2011	39.339
2012	40.42
2013	41.288
2014	42.169
2015	43.245
2016	43.315
2017	43.301
2018	43.38
2019	43.312
2020	42.15
2021	41.251
2022	40.86
2023	41.179