Year % of total labor force (modeled ILO estimate) 1991 3.489 1992 4.7 1993 5.238 1994 5.895 1995 6.479 1996 7.084 1997 7.637 1998 8.2 1999 10.1 2000 10.456 2001 9.604 2002 8.698 2003 7.722 2004 6.757 2005 5.817 2006 4.897 2007 5.092 2008 5.142 2009 5.349 2010 5.384 2011 4.227 2012 3.141 2013 2.173 2014 4.412 2015 6.806 2016 5.237 2017 3.369 2018 3.251 2019 3.156 2020 3.285 2021 3.338 2022 3.084 2023 3.079