Year % of total employment (modeled ILO estimate) 1991 0.399949841274032 1992 0.400117045367802 1993 0.400154276347507 1994 0.400149912070805 1995 0.400138209297919 1996 0.40003010979321 1997 0.399873347905134 1998 0.400183290056514 1999 0.399963593705756 2000 0.399809520030159 2001 0.400088801374491 2002 0.40006566142157 2003 0.400223380491437 2004 0.399868299065097 2005 0.399925595238095 2006 0.399813620718161 2007 0.400028992610336 2008 0.411529348798047 2009 0.430617165203855 2010 0.449790604238973 2011 0.456271551410572 2012 0.466508229909339 2013 0.471147768313363 2014 0.487448737817174 2015 0.499093291432815 2016 0.503075093487674 2017 0.514299217532373 2018 0.516666666666667 2019 0.506896418498628 2020 0.495132727091246 2021 0.518100247920563 2022 0.509360846652753