Year	% (modeled ILO estimate)
1991	49.479
1992	49.954
1993	49.97
1994	50.779
1995	51.441
1996	48.78
1997	50.115
1998	50.759
1999	49.732
2000	47.659
2001	48.194
2002	45.608
2003	47.221
2004	52.126
2005	52.19
2006	47.607
2007	50.443
2008	50.559
2009	51.473
2010	49.849
2011	50.991
2012	56.623
2013	54.833
2014	50.705
2015	52.134
2016	52.693
2017	52.403
2018	54.95
2019	55.256
2020	51.413
2021	54.132
2022	54.119
2023	55.303