Year	% (modeled ILO estimate)
1991	59.053
1992	57.201
1993	57.492
1994	60.2
1995	62.192
1996	61.636
1997	60.217
1998	61.013
1999	61.913
2000	62.581
2001	61.661
2002	61.767
2003	62.361
2004	62.714
2005	64.124
2006	64.426
2007	64.945
2008	65.451
2009	61.589
2010	61.278
2011	60.56
2012	59.698
2013	58.557
2014	57.408
2015	58.113
2016	57.894
2017	58.186
2018	59.372
2019	59.475
2020	55.889
2021	59.552
2022	61.698
2023	62.137