Year	% (modeled ILO estimate)
1991	67.07
1992	66.844
1993	66.656
1994	66.771
1995	66.652
1996	66.692
1997	66.851
1998	66.921
1999	66.965
2000	66.893
2001	67.417
2002	67.964
2003	69.243
2004	70.747
2005	72.336
2006	72.378
2007	72.416
2008	72.424
2009	72.244
2010	71.965
2011	73.208
2012	74.873
2013	74.45
2014	74.041
2015	73.611
2016	72.986
2017	72.382
2018	71.794
2019	71.21
2020	69.893
2021	69.588
2022	69.743
2023	70.014