Year % of total employment (modeled ILO estimate) 1991 25.2781591410159 1992 25.2286752047512 1993 25.2171061283268 1994 25.1646016761666 1995 25.0912372238753 1996 24.9173313873702 1997 24.7809925647896 1998 24.6032604057014 1999 24.9753588827158 2000 24.2343700319687 2001 23.6132301020136 2002 24.3293156671397 2003 24.5699796017265 2004 23.6903252241841 2005 22.2114823047913 2006 22.9832011075023 2007 23.3971835913583 2008 23.4645772995671 2009 20.6615699078175 2010 21.3498195329266 2011 21.2695120665334 2012 20.9790793292486 2013 20.3544733852895 2014 20.8892830805413 2015 22.1773178059007 2016 21.0988212769721 2017 21.8856661766234 2018 22.2037948595005 2019 22.5086137850785 2020 23.3539120977545 2021 23.8994555882795 2022 23.4297676783067