Year % of total employment (modeled ILO estimate) 1991 35.9513848491152 1992 35.7529881890805 1993 34.0161164112341 1994 33.6272472351724 1995 33.44109295566 1996 32.6395631730849 1997 31.4320804595462 1998 27.9795314767621 1999 27.5119543729753 2000 28.047863714101 2001 27.3829494722446 2002 27.270809872846 2003 27.5496321715735 2004 26.956452233039 2005 26.4503141731173 2006 25.959625854961 2007 25.6003159435406 2008 25.1344647738251 2009 24.2974128857266 2010 24.8007738505148 2011 24.6557173736831 2012 24.4217039046824 2013 24.6140371835349 2014 24.801149900306 2015 25.3899252231336 2016 25.1977300438017 2017 25.2728187839351 2018 25.2020165474414 2019 24.5780962679588 2020 24.646227672543 2021 24.6038828564019 2022 24.4572796744967