Year	% (modeled ILO estimate)
1991	54.168
1992	54.883
1993	55.699
1994	55.806
1995	55.275
1996	54.778
1997	54.256
1998	53.821
1999	53.519
2000	53.095
2001	52.879
2002	52.969
2003	53.106
2004	53.235
2005	53.467
2006	53.927
2007	54.496
2008	55.283
2009	56.234
2010	58.008
2011	60.389
2012	62.928
2013	65.04
2014	66.208
2015	67.003
2016	67.899
2017	68.737
2018	69.08
2019	68.425
2020	64.355
2021	65.158
2022	66.671
2023	67.286