Year	% (modeled ILO estimate)
1991	65.86
1992	60
1993	55.15
1994	53.73
1995	53.509
1996	53.288
1997	53.066
1998	52.845
1999	52.623
2000	52.402
2001	52.18
2002	50.45
2003	50.53
2004	48.87
2005	49
2006	50.83
2007	51.76
2008	52.62
2009	51.06
2010	51.96
2011	53.17
2012	51.77
2013	53.87
2014	54.88
2015	53.84
2016	54.18
2017	54.08
2018	52.83
2019	53.95
2020	52.21
2021	53.26
2022	57.2
2023	59.14