Year	% (modeled ILO estimate)
1991	53.671437406347344
1992	53.65988727092925
1993	53.427311193018056
1994	53.46441213681518
1995	53.37852337493603
1996	53.62181132395283
1997	53.87896813839578
1998	54.022346570683865
1999	54.08696941283701
2000	54.13021829564997
2001	53.699917485734645
2002	53.121296026651954
2003	52.897805127058604
2004	52.73489556754328
2005	52.422327006622574
2006	52.54668756520101
2007	52.706275724232036
2008	52.6531450938266
2009	52.590222728446285
2010	52.70156266138612
2011	52.549323103798265
2012	52.31861305244633
2013	52.23366717397248
2014	52.08765202355422
2015	51.95001739807764
2016	51.86953310857189
2017	51.80502767471024
2018	51.70098185764812
2019	51.85096402233533
2020	50.0049298203477
2021	50.958268481475216
2022	52.480037384464055
2023	53.96366236110731