Year % of total employment (modeled ILO estimate) 1991 18.75442636992871 1992 18.729031298863028 1993 18.724789858841003 1994 18.659796964254813 1995 18.595114491054712 1996 18.460677888478845 1997 18.357201009673695 1998 18.416361554303787 1999 18.147879101638715 2000 18.069485831488134 2001 18.038276295571777 2002 17.809429179198645 2003 18.06897139030482 2004 17.892973071592042 2005 17.495175590034126 2006 17.365669185877316 2007 17.255711804664006 2008 17.129298055299387 2009 17.06400308886867 2010 16.82295675231048 2011 16.47011207869242 2012 16.153785578359834 2013 15.501654690397423 2014 14.86111041401503 2015 14.140727495904827 2016 13.161615198393577 2017 12.724990016107073 2018 12.146298155066289 2019 12.409270295447136 2020 13.765189174917861 2021 13.437661931637335 2022 13.043414646095984