Year % of total employment (modeled ILO estimate) 1991 36.7194997937589 1992 36.5820103685474 1993 36.2757521418609 1994 35.8776099405037 1995 35.485393213493 1996 35.02670256432895 1997 34.56639336993411 1998 34.279051848247065 1999 33.9839766339509 2000 33.940897015287014 2001 33.70971264675699 2002 33.50303812977038 2003 33.46943825785701 2004 33.41825013947692 2005 33.65039336663072 2006 33.77615329504192 2007 33.47048206635633 2008 33.098049333048515 2009 32.75020965036772 2010 32.3021960277733 2011 31.788876680455033 2012 31.18753046680176 2013 30.65039443974318 2014 30.22882424776284 2015 29.83761299096067 2016 29.378111538292643 2017 28.891545619383493 2018 28.635372653431382 2019 28.46676813800098 2020 29.0353459108888 2021 28.9154975774007 2022 28.75474025948352