Year % of total employment (modeled ILO estimate) 1991 35.69860067765994 1992 35.166038596632504 1993 34.76001185873581 1994 34.31155398810885 1995 33.85202944657044 1996 33.53518432579886 1997 33.37423752414528 1998 32.70070116682044 1999 32.69639453669707 2000 33.1028641016936 2001 32.63686400284507 2002 32.50827744801764 2003 32.41062699921011 2004 32.1146983468554 2005 30.78092853341623 2006 29.3866124898123 2007 27.92388332639274 2008 26.50504607435206 2009 25.30559927804022 2010 24.325618453676803 2011 23.39088735704448 2012 22.643983865872222 2013 21.993296901201298 2014 21.74710916002609 2015 21.601616941276372 2016 21.45951287856987 2017 21.15848520844231 2018 20.928682597719796 2019 20.31689940970581 2020 21.3506923355671 2021 21.239798325108833 2022 21.11254021704075