Year % of total employment (modeled ILO estimate) 1991 2.8483647109933066 1992 2.810063457975752 1993 2.676785533196869 1994 2.825985300165844 1995 2.792689994136178 1996 2.755062502954801 1997 2.660204311539404 1998 2.6100947731253177 1999 2.4916603893949234 2000 2.286845779835642 2001 2.112524617227922 2002 1.972254017333241 2003 1.84101386795681 2004 1.780723763088556 2005 1.7370976852137274 2006 1.7132529530681637 2007 1.6195059497631366 2008 1.6479308422757672 2009 1.6617703195847344 2010 1.7466723961282182 2011 1.7609429022118506 2012 1.6993647542191501 2013 1.6406268233143464 2014 1.6673206444091417 2015 1.7665623516374325 2016 1.7987600656481497 2017 1.7415394062709155 2018 1.684828787622584 2019 1.6613544645120366 2020 1.7258070954166378 2021 1.626774141264784 2022 1.5834819305841572