Year	% (modeled ILO estimate)
1991	48.721
1992	48.118
1993	48.513
1994	49.045
1995	49.395
1996	48.878
1997	48.475
1998	49.126
1999	48.602
2000	48.655
2001	49.228
2002	46.774
2003	46.605
2004	46.011
2005	47.004
2006	47.274
2007	48.328
2008	48.722
2009	47.018
2010	45.54
2011	47.756
2012	47.28
2013	47.328
2014	47.341
2015	47.71
2016	47.402
2017	47.274
2018	47.333
2019	47.053
2020	46.606
2021	46.232
2022	47.008
2023	46.832