Year % of total employment (modeled ILO estimate) 1991 43.379309666883735 1992 43.10400529800072 1993 42.387679695284575 1994 41.7898543491672 1995 41.06048469310077 1996 40.40249619679766 1997 40.04530468929172 1998 39.991533686640146 1999 40.02954591875064 2000 39.80463378433191 2001 39.32083940132772 2002 38.91452554006982 2003 38.31163558210669 2004 37.15877708459317 2005 36.151197426785394 2006 35.168160300982024 2007 34.31601733414649 2008 33.79844982976947 2009 33.343575850908316 2010 32.75621370405273 2011 31.84295703547017 2012 30.997797217289694 2013 30.144209731098453 2014 29.23773896981128 2015 28.53917710175045 2016 28.009845242046424 2017 27.477664886363915 2018 26.843178087540046 2019 26.362740324577906 2020 27.043354314845484 2021 26.678696489585338 2022 26.363902176846604