Year	% (modeled ILO estimate)
1991	66.8559022766966
1992	66.16313591013726
1993	64.91701279597451
1994	64.04738084766257
1995	63.05078291890401
1996	62.037629039151525
1997	60.923923317783554
1998	59.737042248301215
1999	58.67688848212592
2000	57.85819538686277
2001	57.194404145375536
2002	56.065966707495335
2003	55.1859561400732
2004	54.950843536760736
2005	53.904113750981736
2006	53.52296693341242
2007	53.35592426243202
2008	52.664324438657225
2009	51.72394813739436
2010	51.18707225414992
2011	50.686507903328085
2012	50.34700926160919
2013	49.71908603663896
2014	49.05132928519899
2015	48.40611304271393
2016	47.96436534139791
2017	47.353345603464675
2018	47.33137405121361
2019	46.71272692899643
2020	43.61733213500614
2021	43.77754213820723
2022	43.2772055368577
2023	43.226778514477736
