Year	% (modeled ILO estimate)
1991	44.751
1992	44.807
1993	44.781
1994	45.147
1995	45.219
1996	45.2
1997	45.627
1998	48.646
1999	45.73
2000	42.881
2001	44.47
2002	45.369
2003	46.109
2004	49.692
2005	49.445
2006	50.37
2007	49.893
2008	49.396
2009	46.714
2010	45.601
2011	45.025
2012	46.222
2013	46.344
2014	45.694
2015	49.544
2016	52.152
2017	53.389
2018	52.073
2019	51.892
2020	44.741
2021	50.611
2022	51.869
2023	50.876