Year	% (modeled ILO estimate)
1991	55.695
1992	55.477
1993	55.258
1994	55.026
1995	54.787
1996	54.553
1997	54.33
1998	54.118
1999	53.913
2000	53.709
2001	53.501
2002	52.908
2003	52.304
2004	51.689
2005	51.068
2006	50.44
2007	49.805
2008	49.166
2009	48.526
2010	47.885
2011	47.25
2012	46.446
2013	45.643
2014	44.842
2015	44.043
2016	43.244
2017	42.446
2018	45.329
2019	46.194
2020	45.025
2021	44.424
2022	44.724
2023	44.539