Year % of total employment (modeled ILO estimate) 1991 35.181220349179 1992 35.2773972873894 1993 35.3903755657849 1994 35.0462582211145 1995 35.1530977339778 1996 35.2388815140664 1997 35.1622203477319 1998 34.7823999500681 1999 34.7074939859967 2000 33.8843589463329 2001 33.7030897858443 2002 33.4302392750539 2003 33.6288860891566 2004 33.3412918953081 2005 33.0492470476574 2006 32.6680793390054 2007 32.7101061375173 2008 32.5923642119264 2009 33.1915199450276 2010 33.4899740826627 2011 34.8885861162647 2012 36.6583210940057 2013 36.2257080036187 2014 33.9849134575921 2015 31.7380248051982 2016 29.7752694347191 2017 33.5275389098145 2018 37.5514259694063 2019 37.8599675797994 2020 38.6455562943262 2021 38.9975361872498 2022 39.0045028128061