Year % of total employment (modeled ILO estimate) 1991 40.5651377404305 1992 40.6274578093183 1993 40.6181511577062 1994 40.6700215846608 1995 40.8505537001344 1996 40.7002921465507 1997 40.5980764193162 1998 44.3647713158917 1999 42.540878852933 2000 43.7606192639656 2001 41.3786421442 2002 42.103954247263 2003 42.110853947651 2004 40.5609407520043 2005 40.7072347088206 2006 44.4112969699112 2007 43.5286424422749 2008 43.999986462592 2009 42.4166029541013 2010 44.4527271088662 2011 44.9084900409759 2012 43.5818261297059 2013 43.713632239557 2014 42.978654068406 2015 43.8532749698874 2016 42.1771425057366 2017 42.1853236034498 2018 42.1967996250673 2019 42.0801583364916 2020 42.5470834055384 2021 42.391441773964 2022 42.1524073212064