Year	% (modeled ILO estimate)
1991	62.912
1992	62.824
1993	62.551
1994	62.338
1995	61.983
1996	61.958
1997	61.717
1998	61.494
1999	61.093
2000	60.671
2001	60.336
2002	59.906
2003	59.492
2004	58.947
2005	58.622
2006	58.143
2007	57.795
2008	57.417
2009	56.686
2010	56.257
2011	55.73
2012	55.583
2013	54.938
2014	54.717
2015	54.464
2016	54.498
2017	54.207
2018	53.99
2019	53.792
2020	52.271
2021	52.225
2022	54.135
2023	54.496