Year	% (modeled ILO estimate)
1991	40.329
1992	41.13
1993	42.31
1994	42.815
1995	43.342
1996	41.456
1997	41.738
1998	41.622
1999	42.254
2000	43.464
2001	44.689
2002	46.057
2003	45.85
2004	47.147
2005	47.822
2006	48.234
2007	48.204
2008	48.551
2009	48.193
2010	47.527
2011	46.72
2012	47.557
2013	47.662
2014	47.943
2015	47.501
2016	45.972
2017	46.038
2018	46.534
2019	47.226
2020	42.032
2021	43.713
2022	47.51
2023	48.13