Year	% (modeled ILO estimate)
1991	51.411
1992	50.68
1993	50.308
1994	50.025
1995	49.148
1996	48.941
1997	48.25
1998	47.153
1999	46.193
2000	45.88
2001	45.315
2002	44.892
2003	44.554
2004	44.332
2005	43.986
2006	43.778
2007	43.613
2008	43.429
2009	43.058
2010	43.356
2011	44.072
2012	44.396
2013	45.321
2014	46.513
2015	47.697
2016	48.449
2017	48.83
2018	49.072
2019	49.229
2020	48.247
2021	48.8
2022	48.992
2023	49.641