Year % of total employment (modeled ILO estimate) 1991 20.27103013945123 1992 20.19633796602696 1993 20.230240829735802 1994 20.3020088984765 1995 20.26402464938377 1996 20.32507454022533 1997 20.24868633265703 1998 20.13134760575029 1999 20.35822272331264 2000 20.44549908144524 2001 20.62736917088555 2002 20.59074055516589 2003 20.48611111111115 2004 20.22253061621994 2005 20.175778412667707 2006 20.04355734252348 2007 19.59723902369602 2008 19.7527957622131 2009 19.85108143245477 2010 20.04089979550097 2011 20.23102153348864 2012 20.348134991119 2013 20.35668909698364 2014 20.50499119201411 2015 20.48980548394654 2016 20.541919180101512 2017 20.47319570757253 2018 20.39321780908179 2019 20.59670059670064 2020 21.01522592108183 2021 21.00491030191061 2022 20.94375147093436