Year	% (modeled ILO estimate)
1991	57.167326291872385
1992	56.22914940454144
1993	54.73065450890292
1994	53.52863840663193
1995	52.03582358499377
1996	50.57271413299531
1997	49.27691373019775
1998	48.025092553789015
1999	46.96068560329398
2000	46.014033349390566
2001	44.8676782146956
2002	43.982157457148205
2003	43.159782498052934
2004	42.77550258399128
2005	42.176604954277536
2006	41.813967081227496
2007	41.39012593420432
2008	40.477294389259946
2009	39.42233669468699
2010	38.64648658773552
2011	37.88205858829894
2012	37.50745834655423
2013	36.50084442190025
2014	35.58601088484551
2015	34.877763444853706
2016	34.26621457120567
2017	33.99128652251302
2018	33.75249378879203
2019	33.75148706582445
2020	30.434149133083448
2021	32.0390703499792
2022	32.2661608876953
2023	32.3627997634356