Year	% (modeled ILO estimate)
1991	80.352
1992	79.933
1993	79.914
1994	79.694
1995	79.354
1996	79.459
1997	79.636
1998	79.68
1999	79.87
2000	80.732
2001	81.245
2002	81.541
2003	81.614
2004	81.6
2005	81.579
2006	81.481
2007	81.386
2008	81.249
2009	81.274
2010	81.281
2011	81.313
2012	81.599
2013	81.699
2014	81.784
2015	81.864
2016	81.729
2017	81.622
2018	81.576
2019	81.642
2020	80.789
2021	81.025
2022	81.06
2023	81.36