Year % of total employment (modeled ILO estimate) 1991 25.4182061315766 1992 25.5281060148985 1993 25.8781247867525 1994 25.9396676572748 1995 25.1353114654267 1996 24.7482139688515 1997 23.6569651618716 1998 22.7081210393841 1999 21.4228092372149 2000 20.1015075440518 2001 19.9382287559646 2002 18.8576171123279 2003 18.1178938031058 2004 18.0624871428633 2005 18.0229145287672 2006 17.7217901150674 2007 17.5131262491108 2008 17.5789779257983 2009 16.8362670333473 2010 16.6864894941671 2011 16.3966552956253 2012 17.3080067003112 2013 17.8668376941295 2014 17.5976113301969 2015 17.2842743694475 2016 16.9447603471358 2017 16.4618147007326 2018 15.9742752399055 2019 15.6828701811081 2020 16.0706794964972 2021 15.8559659523638 2022 15.3393914212258