Year	% (modeled ILO estimate)
1991	68.109
1992	67.157
1993	66.6
1994	65.89
1995	65.242
1996	64.651
1997	64.16
1998	63.65
1999	62.623
2000	61.358
2001	60.351
2002	59.299
2003	58.116
2004	57.007
2005	55.95
2006	54.977
2007	54.125
2008	53.427
2009	52.748
2010	52.173
2011	51.866
2012	51.472
2013	51.044
2014	50.668
2015	50.348
2016	48.58
2017	46.805
2018	47.979
2019	46.082
2020	43.77
2021	38.994
2022	39.597
2023	40.022