Year	% (modeled ILO estimate)
1991	53.553
1992	52.32
1993	51.925
1994	51.456
1995	50.857
1996	50.895
1997	50.825
1998	50.768
1999	50.663
2000	50.474
2001	50.523
2002	49.663
2003	50.048
2004	49.384
2005	48.778
2006	48.044
2007	46.117
2008	46.023
2009	45.601
2010	45.679
2011	45.765
2012	46.106
2013	46.375
2014	46.216
2015	45.516
2016	44.97
2017	44.329
2018	41.91
2019	40.819
2020	39.216
2021	38.375
2022	41.277
2023	41.542