Year	% (modeled ILO estimate)
1991	67.826
1992	67.728
1993	67.302
1994	67.264
1995	67.61
1996	68.307
1997	68.37
1998	68.112
1999	67.806
2000	67.612
2001	67.577
2002	67.74
2003	67.667
2004	67.716
2005	67.674
2006	67.86
2007	67.934
2008	67.877
2009	67.684
2010	67.503
2011	68.107
2012	67.839
2013	67.421
2014	67.026
2015	66.452
2016	65.872
2017	65.339
2018	64.861
2019	64.469
2020	64.264
2021	65.772
2022	66.8
2023	66.755