Year	% (modeled ILO estimate)
1991	57.945
1992	58.11
1993	57.845
1994	57.943
1995	58.1
1996	57.898
1997	57.816
1998	57.972
1999	56.73
2000	57.281
2001	59.236
2002	59.823
2003	60.558
2004	59.995
2005	59.85
2006	60.652
2007	61.856
2008	61.853
2009	60.309
2010	60.248
2011	58.734
2012	55.948
2013	53.249
2014	53.489
2015	53.004
2016	53.325
2017	54.823
2018	57.178
2019	58.514
2020	57.936
2021	59.036
2022	60.686
2023	61.134