Year % of total employment (modeled ILO estimate) 1991 22.382127304893917 1992 22.516183559196406 1993 22.172349737780863 1994 21.60349786284592 1995 21.191954369015583 1996 20.58778754312733 1997 20.5257582392776 1998 19.461521521299613 1999 19.880750888143293 2000 19.31471624511366 2001 19.438646658107498 2002 19.362596203555878 2003 18.9668119998573 2004 18.82130770689547 2005 18.48412545882728 2006 17.739500626421304 2007 16.899594980002735 2008 16.27672437760163 2009 16.265438549498914 2010 15.92020414669313 2011 15.619093486447817 2012 15.034321249742773 2013 14.874483972953312 2014 14.461103347811617 2015 14.34133465954087 2016 14.407011072938 2017 14.51503269487651 2018 14.527788559077091 2019 14.205171404438943 2020 14.943656236899738 2021 14.463088601382168 2022 13.64328623866296