Year	% (modeled ILO estimate)
1991	67.485
1992	67.372
1993	67.557
1994	67.772
1995	68.3
1996	68.715
1997	69.19
1998	69.554
1999	69.817
2000	68.336
2001	68.195
2002	68.196
2003	68.149
2004	68.163
2005	68.163
2006	70.849
2007	69.165
2008	69.943
2009	69.978
2010	70.174
2011	70.36
2012	67.2
2013	67.609
2014	69.928
2015	64.994
2016	65.002
2017	66.125
2018	69.273
2019	68.081
2020	64.175
2021	64.614
2022	67.436
2023	68.117