Year	% (modeled ILO estimate)
1991	47.023
1992	46.956
1993	47.146
1994	47.372
1995	47.727
1996	47.62
1997	47.748
1998	47.536
1999	47.189
2000	46.741
2001	46.394
2002	46.109
2003	42.049
2004	46.325
2005	44.097
2006	44.025
2007	41.927
2008	44.292
2009	48.654
2010	43.324
2011	45.923
2012	47.419
2013	46.668
2014	42.45
2015	40.211
2016	45.286
2017	43.404
2018	46.678
2019	47.233
2020	43.902
2021	48.857
2022	45.598
2023	46.856