Year % of total employment (modeled ILO estimate) 1991 24.910479028754562 1992 24.900072159303555 1993 24.718380329345433 1994 25.28550718176877 1995 25.740928867488755 1996 25.489602180794577 1997 25.335024385181505 1998 25.298970168331905 1999 26.18797986646525 2000 25.38317492994386 2001 24.329750586747465 2002 23.067396525913708 2003 22.40058373715387 2004 20.871102698126116 2005 20.26164121818262 2006 19.366265809354395 2007 18.389769293057373 2008 18.008966905223463 2009 17.69580427754885 2010 17.576296580081223 2011 17.442124166608956 2012 17.071002452261503 2013 16.7261020367964 2014 16.098061383086932 2015 15.764195342727891 2016 15.356478944289472 2017 14.894750644062418 2018 14.494901745169509 2019 14.245298484032594 2020 14.268865683789873 2021 13.932494255526949 2022 13.570752159032894