Year % of total employment (modeled ILO estimate) 1991 11.4446107329063 1992 11.3850433816092 1993 11.7515966390519 1994 12.391733051116 1995 12.7012854022762 1996 12.2580319119502 1997 12.3764786837578 1998 11.6485198885267 1999 11.494618438192 2000 11.2379025332144 2001 11.5511581843588 2002 11.6716384045221 2003 11.4127119194647 2004 12.1018884662612 2005 13.6720590257901 2006 13.8956826062243 2007 14.0933101099154 2008 14.3461435755774 2009 14.8291857886818 2010 15.0906153845607 2011 15.1519892940618 2012 15.362795613734 2013 16.0516840873739 2014 16.6130044785968 2015 16.8362087245462 2016 16.8142987938563 2017 16.7571490488398 2018 16.6849720675616 2019 16.6177416268611 2020 17.2453203519101 2021 16.8846159783498 2022 16.359647635241