Year % of total employment (modeled ILO estimate) 1991 23.34605700460462 1992 23.181075412687385 1993 22.9371871348734 1994 22.619197525852364 1995 22.424457799216405 1996 22.28155238799836 1997 22.335913152478287 1998 22.646562229203045 1999 22.20315183258345 2000 22.298951374317394 2001 21.771443633596718 2002 21.738500928256645 2003 21.51920662866904 2004 21.580548464957005 2005 21.540216568783382 2006 21.666986834491997 2007 22.028113553741072 2008 22.18298063789862 2009 21.56373991437297 2010 21.514544021503166 2011 21.446117758492385 2012 21.690387899854198 2013 21.57150367340486 2014 21.805175943840187 2015 21.584244193217227 2016 21.050607877692933 2017 20.77254785983739 2018 20.59305651852774 2019 20.43959697294156 2020 20.280958504721653 2021 20.754319760315745 2022 20.808365803091633