Year % of total employment (modeled ILO estimate) 1991 11.2092179567925 1992 11.0417302728636 1993 10.8790839352479 1994 10.6953064740265 1995 10.4819652883205 1996 10.2141250526753 1997 9.92770971239771 1998 9.71433294255271 1999 9.4827344580411 2000 9.17006194875751 2001 8.70396326366853 2002 8.27954573182238 2003 7.95808015543923 2004 7.61788224679123 2005 7.25572250801959 2006 6.92208879118155 2007 6.59218015442113 2008 6.25725469777749 2009 6.03577246034402 2010 5.78178773544981 2011 5.48272105139374 2012 5.1639843140685 2013 4.91930267914336 2014 4.65978159397255 2015 4.40764489263633 2016 4.26484297160611 2017 4.19202252476651 2018 4.10400687324349 2019 3.97120341029392 2020 3.87235558517465 2021 3.69199433297252 2022 3.40146258681922