Year	% (modeled ILO estimate)
1991	67.774
1992	67.052
1993	67.243
1994	70.199
1995	71.59
1996	64.613
1997	68.942
1998	69.617
1999	69.815
2000	68.119
2001	70.471
2002	67.99
2003	64.981
2004	69.837
2005	67.071
2006	66.82
2007	66.932
2008	67.155
2009	69.028
2010	64.442
2011	61.965
2012	64.86
2013	63.395
2014	63.483
2015	60.411
2016	63.294
2017	61.287
2018	61.726
2019	62.253
2020	58.97
2021	60.981
2022	57.704
2023	59.567