Year % of total employment (modeled ILO estimate) 1991 1.21505476559999 1992 1.18500673988479 1993 1.14917763322242 1994 1.10818559615512 1995 1.07644266456502 1996 1.04552773455375 1997 1.00871588483398 1998 0.845628889517136 1999 0.903522182246706 2000 0.893745505177365 2001 0.884356106991112 2002 0.838164516730312 2003 0.85173348348667 2004 0.831317133877808 2005 1.0685861731439 2006 0.921139727879885 2007 0.793242720499372 2008 0.682693965890529 2009 0.587907535979003 2010 0.508310879450506 2011 0.438729680719085 2012 0.379408592630749 2013 0.328043829335056 2014 0.283400265529278 2015 0.244966341565427 2016 0.211883908203833 2017 0.184055019931006 2018 0.15974001096039 2019 0.138607451636723 2020 0.122980779860976 2021 0.107774097381374 2022 0.108319878549099