Year	% (modeled ILO estimate)
1991	49.14
1992	48.9
1993	49.426
1994	50.313
1995	50.128
1996	50.257
1997	50.971
1998	51.976
1999	51.776
2000	52.188
2001	50.973
2002	49.382
2003	47.728
2004	47.494
2005	47.883
2006	47.531
2007	47.13
2008	45.654
2009	42.774
2010	41.008
2011	40.842
2012	41.291
2013	41.867
2014	42.79
2015	43.83
2016	44.349
2017	45.351
2018	45.769
2019	46.47
2020	41.216
2021	45.178
2022	45.979
2023	47.178