Year % of total labor force (modeled ILO estimate) 1991 4.332 1992 4.291 1993 4.367 1994 4.373 1995 4.372 1996 4.387 1997 4.389 1998 4.35 1999 4.642 2000 4.8 2001 4.252 2002 4.825 2003 5.662 2004 5.002 2005 3.779 2006 3.55 2007 3.142 2008 3.917 2009 4.608 2010 4.088 2011 3.458 2012 3.235 2013 3.083 2014 3.48 2015 3.616 2016 4.597 2017 3.836 2018 3.53 2019 3.812 2020 6.127 2021 4.552 2022 3.761 2023 3.367