Year	% (modeled ILO estimate)
1991	42.19
1992	42.194
1993	43.628
1994	45.081
1995	48.538
1996	49.057
1997	49.686
1998	51.51
1999	53.549
2000	48.899
2001	51.797
2002	53.746
2003	55.338
2004	56.325
2005	57.665
2006	61.302
2007	62.703
2008	63.397
2009	63.764
2010	64.383
2011	62.971
2012	62.64
2013	61.185
2014	59.281
2015	56.485
2016	55.534
2017	57.027
2018	56.879
2019	57.628
2020	48.868
2021	52.263
2022	51.451
2023	49.948