Year % of total employment (modeled ILO estimate) 1991 12.289140584039965 1992 13.085947250187253 1993 13.00496185915898 1994 14.166867521400745 1995 14.133593612399427 1996 16.47588991037701 1997 14.72681621049574 1998 14.624479688775846 1999 15.798205409592667 2000 14.772068644003754 2001 13.91635074438863 2002 15.322172426139232 2003 14.274738687831917 2004 14.962839329233312 2005 14.496435546005479 2006 13.988895366277443 2007 13.677412873121842 2008 13.294255827161951 2009 13.305335997157595 2010 13.717052486820945 2011 14.155787910660116 2012 14.26564215148184 2013 14.4980690696023 2014 14.702197020377376 2015 14.951590594744156 2016 15.05900057449939 2017 15.110303910885095 2018 15.229397279269415 2019 15.306175389941496 2020 15.776261486252686 2021 15.762991152872864 2022 15.74393656716419