Year % of total employment (modeled ILO estimate) 1991 45.20990670441597 1992 45.08326936214951 1993 44.959886950747226 1994 44.62968154891483 1995 44.41475070839838 1996 43.82120456575231 1997 43.435075895071066 1998 43.47294349249146 1999 43.15392323776342 2000 43.35259510340717 2001 42.97052608861121 2002 43.09121510992142 2003 43.45106500156935 2004 43.7839015401931 2005 42.713696335913845 2006 41.37325185396066 2007 42.04258785537478 2008 40.76590029516263 2009 40.43581559011349 2010 39.28116578658999 2011 39.322300009846224 2012 38.76751071142314 2013 39.207495823842464 2014 39.085189840411104 2015 38.44214844336103 2016 36.55645354049909 2017 36.83908196057233 2018 37.10656725559439 2019 36.298056760295495 2020 35.675550585477 2021 35.24717943723291 2022 34.954774954175704