Year	% (modeled ILO estimate)
1991	67.224
1992	65.712
1993	65.045
1994	66.239
1995	67.332
1996	67.145
1997	66.703
1998	66.907
1999	67.125
2000	67.422
2001	66.825
2002	67.074
2003	67.309
2004	67.718
2005	68.551
2006	68.86
2007	69.577
2008	69.736
2009	68.179
2010	68.682
2011	68.63
2012	68.028
2013	67.31
2014	66.684
2015	66.788
2016	66.603
2017	66.78
2018	67.196
2019	67.402
2020	65.43
2021	66.941
2022	68.425
2023	68.721