Year	% (modeled ILO estimate)
1991	55.14878848980584
1992	54.547323287537694
1993	54.02903256821558
1994	53.96137181681424
1995	53.857009938591844
1996	53.686067040735715
1997	53.55474204708207
1998	53.528386058844774
1999	53.284629413354956
2000	53.23135898566646
2001	53.19468537736871
2002	53.354787938040836
2003	53.64594762558219
2004	53.60141809035943
2005	53.76148151057418
2006	54.53222520920342
2007	54.97014605240018
2008	55.22770383481646
2009	54.449317279524124
2010	54.44908401300507
2011	54.58098199842124
2012	54.50332341144198
2013	54.51888421065263
2014	54.633966961420434
2015	54.943475327434975
2016	55.1139960409815
2017	55.55889102071513
2018	55.87517975187335
2019	56.187821771575436
2020	54.1653861695283
2021	54.555910559369565
2022	56.082950273695026
2023	56.51077992580167