Year % of total employment (modeled ILO estimate) 1991 17.966297980988916 1992 17.90068546823076 1993 17.748872817963647 1994 17.621359916805403 1995 17.44687353938592 1996 17.229540608462806 1997 16.980077701609275 1998 16.82225110988174 1999 16.554581723885544 2000 16.287006086667603 2001 15.993840134218035 2002 15.660160879453374 2003 15.455596728398346 2004 15.052737366408865 2005 14.601802119963173 2006 14.22093395163714 2007 13.864139602861433 2008 13.52209494856124 2009 13.285165582283474 2010 13.065186575108118 2011 12.759798713410884 2012 12.38023946187248 2013 11.880861667663504 2014 11.521591037676009 2015 10.999724617782677 2016 10.463009473600207 2017 10.243286204860745 2018 9.883068610731524 2019 9.815995787892426 2020 10.39757332513714 2021 10.175011058715933 2022 9.951157540931332