Year	% (modeled ILO estimate)
1991	73.482
1992	72.253
1993	70.942
1994	69.7
1995	68.352
1996	66.999
1997	65.672
1998	64.307
1999	63.447
2000	62.631
2001	61.828
2002	61.007
2003	60.101
2004	59.29
2005	58.379
2006	57.532
2007	56.564
2008	55.606
2009	53.89
2010	52.161
2011	50.402
2012	48.63
2013	46.837
2014	45.013
2015	46.546
2016	48.097
2017	49.567
2018	50.958
2019	52.262
2020	53.134
2021	52.943
2022	53.062
2023	53.35