Year % of total employment (modeled ILO estimate) 1991 6.73607808559238 1992 6.41586011475405 1993 5.9648019928237 1994 5.80725359018896 1995 5.70673402004514 1996 5.51424942393874 1997 5.36480596776183 1998 5.29566038806515 1999 5.21725734412406 2000 4.94788326791055 2001 4.75650472637348 2002 4.55769174856871 2003 4.49909738841175 2004 4.48108507651096 2005 4.31962578930282 2006 4.15887983846819 2007 4.11796561044691 2008 4.10389610308524 2009 4.06416270357774 2010 3.93845929700602 2011 3.69915934562791 2012 3.7525227767779 2013 3.59282408811438 2014 3.52486794987717 2015 3.49772464342973 2016 3.38371104232752 2017 3.32515775145346 2018 3.3967349360255 2019 3.26564162373623 2020 3.14789630686643 2021 3.16976617016114 2022 3.10089157935833