Year % of total labor force (modeled ILO estimate) 1991 2.162 1992 2.128 1993 2.051 1994 1.98 1995 1.959 1996 1.93 1997 2.87 1998 2.29 1999 2.33 2000 2.26 2001 2.76 2002 2.12 2003 2.25 2004 2.14 2005 2.077 2006 2.045 2007 2.026 2008 1.889 2009 1.737 2010 1.114 2011 0.999 2012 1.027 2013 1.316 2014 1.256 2015 1.849 2016 1.848 2017 1.874 2018 1.161 2019 1.681 2020 2.103 2021 2.385 2022 1.535 2023 1.602