Year	% (modeled ILO estimate)
1991	58.33961338067666
1992	58.306454610285336
1993	58.304604963723975
1994	58.4249440332206
1995	58.68495847883108
1996	58.782584413197085
1997	58.814626528335474
1998	58.79914797341325
1999	58.751641144775206
2000	58.82592461022964
2001	58.92548710973815
2002	59.04059567005785
2003	59.11033131219162
2004	59.265384704666815
2005	59.38124406136868
2006	59.291979879605236
2007	59.162922908460985
2008	58.95406515464906
2009	58.568902426785215
2010	57.85238304322653
2011	57.90383609082742
2012	57.72776719593595
2013	57.73754636970407
2014	57.45335996233144
2015	57.27100220091068
2016	57.098101204195174
2017	56.88875998968764
2018	56.68589104252655
2019	56.480427735881946
2020	55.47538592189916
2021	55.600033614520726
2022	56.11975317150384
2023	56.357216115590525