Year	% (modeled ILO estimate)
1991	46.454
1992	46.551
1993	46.603
1994	46.546
1995	46.537
1996	46.762
1997	46.832
1998	46.765
1999	46.705
2000	46.101
2001	46.149
2002	46.09
2003	45.547
2004	44.317
2005	44.857
2006	44.999
2007	45.784
2008	46.033
2009	45.658
2010	46.317
2011	47.35
2012	48.742
2013	50.388
2014	51.745
2015	52.428
2016	53.913
2017	55.438
2018	57.501
2019	58.565
2020	58.959
2021	60.607
2022	62.038
2023	63.562