Year % of total employment (modeled ILO estimate) 1991 58.62756186133258 1992 57.63262369026739 1993 55.81631124134045 1994 54.07420602064297 1995 52.19671874572569 1996 50.687010605760875 1997 49.92280602411533 1998 49.95411346920078 1999 50.10643328044632 2000 49.943504617742256 2001 49.532450362361246 2002 49.405658560287236 2003 48.72794550071341 2004 46.65375924557726 2005 44.98154853242486 2006 42.97845119686998 2007 41.40898542442035 2008 40.384339122948646 2009 39.10950837810443 2010 37.89991669071371 2011 36.40444327196511 2012 35.369546538739975 2013 33.492044018122755 2014 31.783471774271273 2015 30.56110266057135 2016 29.505520420951363 2017 28.737601051549724 2018 27.789734971940735 2019 26.745354591594733 2020 25.97641214373897 2021 25.329549469131756 2022 25.125055811847098