Year % of total employment (modeled ILO estimate) 1991 34.7372693496519 1992 34.7305389221557 1993 34.6984117452788 1994 34.6902758985823 1995 34.6770010949115 1996 34.6710693421387 1997 34.6183671208596 1998 34.6969779176388 1999 34.8243914093817 2000 34.9902458056965 2001 35.3494866954565 2002 35.4454883336775 2003 35.6411651253647 2004 35.9437606468485 2005 36.2617260787992 2006 36.6735489791237 2007 37.1088359670599 2008 37.6448460740228 2009 38.2743175864109 2010 38.6700212731141 2011 39.0993893828192 2012 39.5221512865158 2013 40.0095210892126 2014 40.6137352682991 2015 41.0396992756945 2016 41.5958060099445 2017 42.1609456130713 2018 42.5667797789959 2019 43.0320021881838 2020 42.7234289221536 2021 42.974159909206 2022 43.3206347207355