Year % of total employment (modeled ILO estimate) 1991 44.6486178253479 1992 44.7450495556903 1993 44.8035614699962 1994 44.8389667222272 1995 44.8848906381858 1996 44.8946630257479 1997 44.7912436162725 1998 44.9384442844202 1999 45.5607234329228 2000 44.4869384130565 2001 45.6315491330908 2002 45.7283117967514 2003 45.100590681615 2004 43.2305320238856 2005 45.1974913521758 2006 44.9283589470068 2007 44.0250928599063 2008 43.7717749123769 2009 42.9307331869841 2010 41.9756169236301 2011 41.441477053456495 2012 39.6121472934422 2013 38.6320866333073 2014 39.2605536901487 2015 37.8730861891534 2016 35.404008007465336 2017 34.11025968293931 2018 32.896631036486596 2019 33.20462172193161 2020 34.87924907785633 2021 33.591820066072 2022 33.27930605661981