Year	% (modeled ILO estimate)
1991	63.561
1992	62.807
1993	63.275
1994	65.42
1995	66.736
1996	66.841
1997	66.32
1998	65.864
1999	65.559
2000	65.403
2001	65.564
2002	65.778
2003	66.274
2004	66.784
2005	67.321
2006	67.211
2007	66.879
2008	66.757
2009	67.105
2010	67.451
2011	68.1
2012	68.933
2013	69.509
2014	69.776
2015	71.236
2016	71.649
2017	71.61
2018	71.684
2019	71.423
2020	67.095
2021	68.542
2022	69.973
2023	70.022