Year	% (modeled ILO estimate)
1991	61.612
1992	61.893
1993	62.034
1994	62.073
1995	62.004
1996	61.86
1997	61.638
1998	61.4
1999	61.199
2000	61.027
2001	60.805
2002	60.542
2003	59.734
2004	59.79
2005	59.796
2006	59.791
2007	59.823
2008	59.217
2009	59.798
2010	60.073
2011	63.053
2012	63.088
2013	62.695
2014	62.607
2015	62.413
2016	59.41
2017	60.916
2018	63.418
2019	66.222
2020	63.924
2021	61.172
2022	63.432
2023	63.595