Year % of total employment (modeled ILO estimate) 1991 44.96272007770326 1992 45.780538034054 1993 46.7069827037724 1994 47.051705842240196 1995 47.4949697029271 1996 47.91668479858237 1997 48.46962587596558 1998 49.07631851290189 1999 49.64918334378386 2000 49.99599279159214 2001 50.88914676833079 2002 51.741782366270755 2003 52.00408271260979 2004 51.578264280327616 2005 51.778878429807946 2006 52.09889167604732 2007 52.228905401459535 2008 52.54144743885819 2009 53.167099971145795 2010 53.4579522280807 2011 54.35141712106561 2012 54.95434249717754 2013 55.26520499869334 2014 55.51350956930091 2015 56.12982739010445 2016 56.15469154591256 2017 55.98472058549314 2018 57.09193284206649 2019 57.605557235560035 2020 58.07341461591559 2021 58.77525495455619 2022 59.37925347490065