Year	% (modeled ILO estimate)
1991	73.248
1992	72.078
1993	71.231
1994	69.702
1995	68.187
1996	64.266
1997	63.929
1998	61.95
1999	60.667
2000	59.932
2001	59.226
2002	59.682
2003	58.904
2004	60.353
2005	60.576
2006	60.211
2007	60.3
2008	60.701
2009	58.838
2010	57.802
2011	56.54
2012	56.962
2013	55.842
2014	54.806
2015	52.352
2016	47.631
2017	46.832
2018	47.209
2019	48.402
2020	42.74
2021	46.087
2022	51.472
2023	50.907