Year	% (modeled ILO estimate)
1991	17.468
1992	17.375
1993	17.291
1994	17.249
1995	17.094
1996	16.974
1997	16.789
1998	16.604
1999	16.423
2000	16.183
2001	16.036
2002	15.861
2003	15.647
2004	15.442
2005	15.123
2006	14.795
2007	14.46
2008	14.118
2009	13.767
2010	13.413
2011	13.059
2012	12.711
2013	12.374
2014	12.05
2015	11.976
2016	11.907
2017	11.83
2018	11.76
2019	11.694
2020	11.607
2021	11.559
2022	11.529
2023	11.393