Year	% (modeled ILO estimate)
1991	64.741
1992	63.125
1993	60.227
1994	62.07
1995	65.953
1996	65.971
1997	68.246
1998	66.442
1999	66.088
2000	67.053
2001	61.689
2002	63.993
2003	59.413
2004	61.267
2005	62.283
2006	64.575
2007	65.321
2008	62.547
2009	58.745
2010	54.016
2011	53.029
2012	51.372
2013	49.541
2014	49.994
2015	51.347
2016	52.301
2017	52.896
2018	53.754
2019	54.987
2020	53.24
2021	53.893
2022	56.184
2023	56.953