Year	% (modeled ILO estimate)
1991	78.539
1992	78.415
1993	78.361
1994	78.593
1995	78.618
1996	78.667
1997	78.855
1998	78.982
1999	79.113
2000	79.173
2001	79.624
2002	78.876
2003	78.932
2004	79.881
2005	81.226
2006	80.891
2007	80.645
2008	80.426
2009	79.884
2010	79.416
2011	81.201
2012	83.177
2013	82.739
2014	82.289
2015	81.818
2016	81.742
2017	81.668
2018	81.601
2019	81.545
2020	80.322
2021	80.852
2022	80.915
2023	81.066