Year	% (modeled ILO estimate)
1991	58.339613380676674
1992	58.30645461028535
1993	58.304604963723975
1994	58.424944033220605
1995	58.684958478831064
1996	58.7825844131971
1997	58.81462652833548
1998	58.79914797341326
1999	58.751641144775206
2000	58.82592461022964
2001	58.92548710973815
2002	59.04059567005785
2003	59.11033131219163
2004	59.26538470466682
2005	59.38124406136868
2006	59.29197987960524
2007	59.16292290846099
2008	58.95406515464906
2009	58.568902426785215
2010	57.852383043226546
2011	57.90383609082742
2012	57.72776719593595
2013	57.73754636970408
2014	57.45335996233144
2015	57.27100220091066
2016	57.098101204195174
2017	56.88875998968764
2018	56.685891042526556
2019	56.480427735881975
2020	55.47538592189917
2021	55.600033614520726
2022	56.11975317150385
2023	56.357216115590525