Year	% (modeled ILO estimate)
1991	66.965
1992	66.823
1993	66.574
1994	66.556
1995	66.206
1996	65.812
1997	65.672
1998	65.418
1999	65.154
2000	64.769
2001	64.393
2002	64.233
2003	64.041
2004	63.812
2005	63.644
2006	63.537
2007	63.248
2008	63.178
2009	63.369
2010	63.399
2011	63.228
2012	61.635
2013	61.714
2014	61.811
2015	62.057
2016	62.132
2017	62.398
2018	62.489
2019	62.347
2020	61.349
2021	61.154
2022	62.618
2023	63.095