Year % of total employment (modeled ILO estimate) 1991 31.632985973229427 1992 31.07525126098428 1993 30.41378172213271 1994 29.803696823878266 1995 29.104786325378015 1996 28.661229244203877 1997 28.29228568785257 1998 28.015804993710404 1999 27.63341625437114 2000 27.50574675769087 2001 27.510269744983017 2002 27.318309615014766 2003 27.067400257755533 2004 26.98219959533632 2005 26.812696814710176 2006 26.805098888683922 2007 26.88864544939518 2008 26.704484178036665 2009 25.65555234844413 2010 25.33837681587756 2011 25.219627991539483 2012 25.049744700497058 2013 24.791429523607277 2014 24.792224625187618 2015 24.529963946080496 2016 24.439918119834626 2017 24.4621483269831 2018 24.46628625608485 2019 24.33416195910896 2020 24.34548504252254 2021 24.437745104167604 2022 24.331985082391522