Year	% (modeled ILO estimate)
1991	81.41897554246226
1992	81.44656926588351
1993	81.52
1994	81.63887417817331
1995	81.8018367610917
1996	81.76658435362717
1997	81.76377057021342
1998	81.80043187607484
1999	81.88558636663603
2000	82.0160381391613
2001	81.85310208357582
2002	81.771075618959
2003	81.74525255134996
2004	81.74466820818209
2005	81.76298076301951
2006	81.53586345588614
2007	81.34280346895186
2008	81.1982833941512
2009	81.12626145905554
2010	81.14670947030498
2011	80.74881358967471
2012	80.42896126087068
2013	80.19514801480784
2014	80.0312408722045
2015	79.92262320035518
2016	80.18413255509354
2017	80.50920965355375
2018	80.8873982282759
2019	81.29538006811026
2020	81.29581338626605
2021	81.68710381377949
2022	81.21282199524636
2023	81.35251687758297