Year	% (modeled ILO estimate)
1991	32.953
1992	32.271
1993	32.163
1994	31.642
1995	31.461
1996	30.953
1997	30.036
1998	29.136
1999	28.249
2000	27.376
2001	26.516
2002	25.67
2003	24.835
2004	24.011
2005	23.197
2006	23.758
2007	24.323
2008	24.906
2009	25.51
2010	26.125
2011	26.753
2012	27.368
2013	27.972
2014	28.561
2015	27.738
2016	26.933
2017	26.352
2018	25.988
2019	26.188
2020	24.426
2021	24.615
2022	26.953
2023	27.038