Year	% (modeled ILO estimate)
1991	49.61
1992	48.979
1993	47.652
1994	47.747
1995	47.816
1996	47.7
1997	47.659
1998	47.141
1999	46.177
2000	46.504
2001	45.94
2002	45.797
2003	45.031
2004	44.922
2005	44.564
2006	44.489
2007	44.352
2008	44.144
2009	42.615
2010	42.36
2011	44.788
2012	45.077
2013	45.723
2014	45.178
2015	43.664
2016	43.403
2017	43.211
2018	44.573
2019	47.699
2020	44.123
2021	44.701
2022	46.052
2023	45.963