Year	% (modeled ILO estimate)
1991	68.04871928031291
1992	67.2836381774506
1993	67.04004869345641
1994	66.85169840920594
1995	66.07587452611111
1996	66.24830637302888
1997	66.4006921098214
1998	65.97694402012776
1999	65.97448779231397
2000	64.93230235158282
2001	64.11582039128098
2002	63.51337754998913
2003	63.59822974177064
2004	64.67768068153455
2005	64.4166942060089
2006	64.72223492559004
2007	64.511849011081
2008	64.21282122765622
2009	64.29382173830574
2010	64.53583536510462
2011	63.28896551230448
2012	62.31079825624676
2013	62.77161056537787
2014	62.1262589330892
2015	61.111696469711674
2016	60.95517431114607
2017	60.50603566122068
2018	60.9554950857119
2019	61.60057157149021
2020	59.29706001781481
2021	59.977300258216026
2022	62.213808339116426
2023	62.439771679229075