Year	% (modeled ILO estimate)
1991	67.331
1992	65.559
1993	63.756
1994	62.046
1995	60.25
1996	58.401
1997	56.55
1998	54.592
1999	52.62
2000	50.73
2001	49.048
2002	47.9
2003	50.305
2004	52.988
2005	51.591
2006	53.665
2007	46.811
2008	47.94
2009	48.945
2010	46.124
2011	46.384
2012	46.106
2013	45.875
2014	45.638
2015	45.509
2016	45.457
2017	45.351
2018	45.434
2019	45.231
2020	44.346
2021	44.554
2022	44.467
2023	44.358