Year % of total employment (modeled ILO estimate) 1991 4.0281348818654275 1992 4.0240211476297265 1993 4.021217438361805 1994 4.091850639974686 1995 4.066915878725937 1996 4.0829482195777445 1997 4.072958093849792 1998 3.988670977038869 1999 3.9790072547433306 2000 3.9631424088814935 2001 3.956637035293828 2002 3.995146564941545 2003 3.9886050167496014 2004 4.042725495444023 2005 4.032311603796986 2006 4.040408773350108 2007 3.983502294562942 2008 3.961815412175529 2009 3.933944131145651 2010 3.913926446669104 2011 3.844183829865878 2012 3.763917881521386 2013 3.689128842205834 2014 3.607994062678369 2015 3.603399050453946 2016 3.571385982289844 2017 3.5582244679444495 2018 3.54720837161506 2019 3.47964989904166 2020 3.3792824539034796 2021 3.4389962105281193 2022 3.4381059083478207