Year	% (modeled ILO estimate)
1991	71.7
1992	71.779
1993	71.794
1994	71.344
1995	70.862
1996	70.46
1997	69.979
1998	69.526
1999	69.043
2000	68.542
2001	68.076
2002	67.62
2003	67.174
2004	66.725
2005	66.242
2006	65.722
2007	65.145
2008	64.588
2009	64.091
2010	63.614
2011	63.088
2012	62.584
2013	62.035
2014	61.534
2015	60.985
2016	60.408
2017	59.83
2018	59.292
2019	59.243
2020	58.308
2021	58.251
2022	59.557
2023	59.739