Year	% (modeled ILO estimate)
1991	73.93848726184714
1992	73.7255070717503
1993	73.74950150971344
1994	73.73649429798895
1995	73.73671066714235
1996	73.72824392546086
1997	76.25673118905546
1998	75.6818514720961
1999	74.0942942764739
2000	75.45028070445282
2001	77.89754486095816
2002	77.6756560648204
2003	78.3868381287199
2004	77.30395965690083
2005	77.24723382205016
2006	77.28624480314843
2007	76.92920225857826
2008	79.03476012640046
2009	81.35171014752167
2010	82.90323572834644
2011	81.2589040886043
2012	81.80079513282334
2013	81.73028913803276
2014	80.3456990703132
2015	80.29650955716491
2016	81.94013832578108
2017	81.3749649544777
2018	81.61637741812756
2019	81.85869341412477
2020	81.7124596909518
2021	80.68931692527197
2022	81.88535106994853
2023	81.48809436695986
