Year % of total employment (modeled ILO estimate) 1991 25.1871918357987 1992 24.8233116130412 1993 24.5935636472665 1994 24.3919854478321 1995 24.1426045339517 1996 23.9507542952564 1997 23.9085955067561 1998 23.7936866256213 1999 23.5246659424359 2000 24.2427184695939 2001 23.6613807220946 2002 23.0361012235577 2003 23.6825072034075 2004 23.5152767005372 2005 23.2226191625632 2006 21.4891339899323 2007 20.3447790911984 2008 19.9460157258538 2009 19.7773345605187 2010 18.5559367496899 2011 17.9473599743219 2012 16.6039369015627 2013 17.5591981925684 2014 17.8883129436069 2015 14.928384294366 2016 14.2827559960002 2017 13.7664336745795 2018 13.2790188528331 2019 13.6531126983785 2020 13.7823386802165 2021 11.8520258938482 2022 10.8990873966136