Year	% (modeled ILO estimate)
1991	44.087
1992	44.681
1993	46.317
1994	46.333
1995	47.47
1996	45.605
1997	45.807
1998	44.08
1999	40.398
2000	39.895
2001	43.006
2002	42.841
2003	44.519
2004	43.383
2005	43.731
2006	43.168
2007	42.561
2008	42.914
2009	45.356
2010	46.587
2011	47.622
2012	48.777
2013	48.705
2014	48.79
2015	49.121
2016	48.451
2017	47.96
2018	46.849
2019	45.523
2020	40.634
2021	42.301
2022	44.192
2023	45.339