Year	% (modeled ILO estimate)
1991	52.283
1992	52.326
1993	52.701
1994	53.896
1995	54.34
1996	54.756
1997	55.551
1998	55.829
1999	56.166
2000	56.445
2001	55.953
2002	55.207
2003	55.045
2004	54.945
2005	55.23
2006	55.605
2007	55.608
2008	55.27
2009	53.484
2010	52.643
2011	52.226
2012	52.319
2013	52.379
2014	52.807
2015	53.102
2016	53.447
2017	53.975
2018	54.327
2019	54.831
2020	51.051
2021	52.692
2022	53.955
2023	54.548