Year	% (modeled ILO estimate)
1991	26.948
1992	27.665
1993	28.427
1994	29.322
1995	30.018
1996	30.593
1997	30.695
1998	28.853
1999	26.616
2000	24.2
2001	24.804
2002	25.797
2003	24.781
2004	27.081
2005	25.978
2006	25.643
2007	27.449
2008	27.997
2009	27.161
2010	24.271
2011	20.573
2012	17.433
2013	14.927
2014	18.312
2015	19.115
2016	25.582
2017	25.897
2018	25.528
2019	27.652
2020	25.586
2021	25.711
2022	28.661
2023	24.62