Year % of total employment (modeled ILO estimate) 1991 24.50177348253 1992 23.9273514860852 1993 23.4685079194241 1994 23.40159159143 1995 23.4411520584161 1996 23.3205508197695 1997 23.3679125372322 1998 23.2095720342696 1999 22.7091572563178 2000 22.6975317592377 2001 22.4208042568487 2002 22.2797145677967 2003 22.1877120175754 2004 22.1366615939239 2005 22.0102484672671 2006 22.1018171712765 2007 21.886129747358 2008 21.2220136883746 2009 19.760485558092 2010 19.3707404278191 2011 19.4449934349203 2012 19.4661108683163 2013 19.6851456126314 2014 19.7080638780994 2015 19.555260727197 2016 19.4748580132673 2017 19.4270487784832 2018 19.5692897525135 2019 19.6179654110696 2020 19.4184030161297 2021 19.1836645852224 2022 19.2767797091913