Year % of total labor force (modeled ILO estimate) 1991 6.451 1992 6.298 1993 6.348 1994 6.439 1995 6.51 1996 6.525 1997 6.423 1998 6.297 1999 6.285 2000 6.322 2001 6.429 2002 6.419 2003 6.393 2004 6.171 2005 6.041 2006 5.849 2007 5.743 2008 5.704 2009 5.849 2010 5.873 2011 4.049 2012 3.717 2013 3.707 2014 4.415 2015 4.37 2016 4.758 2017 5.395 2018 5.218 2019 6.332 2020 14.183 2021 10.453 2022 8.202 2023 6.701