Year % of total employment (modeled ILO estimate) 1991 18.2531920333713 1992 18.1043566415479 1993 17.9804416021865 1994 17.6235763297966 1995 17.8539546509552 1996 17.7106140491443 1997 17.3329674613493 1998 17.132952145751 1999 16.6114600088926 2000 16.2859206151964 2001 15.6425714976295 2002 15.9077713374731 2003 15.2084715436747 2004 14.8788970483883 2005 15.2494368743553 2006 14.037365665352 2007 13.2666322331262 2008 12.3952719252106 2009 10.8894212201923 2010 12.3509227187138 2011 12.8277028851173 2012 13.3147423762465 2013 13.9152053899178 2014 14.1844887514038 2015 14.403904619601 2016 14.9329536408779 2017 15.3685111367603 2018 15.7834018507522 2019 15.3081290040344 2020 16.5464643669919 2021 15.2045693666425 2022 13.4074745920198