Year % of total employment (modeled ILO estimate) 1991 25.4505885559843 1992 24.8986679266149 1993 24.2463192196062 1994 23.5132202431056 1995 22.6134111562378 1996 22.1114376861293 1997 20.5926605450791 1998 19.8382767127813 1999 19.1767982828122 2000 18.6674948397168 2001 19.1959469322396 2002 19.6323065320523 2003 18.1922596966018 2004 17.599028474598 2005 17.378221027502 2006 15.7899044059111 2007 14.7442919419903 2008 13.9713704639798 2009 13.2845463330758 2010 13.0544216014388 2011 12.9081022640435 2012 12.5789110053285 2013 11.9988321748916 2014 11.4908646980877 2015 11.5341710294291 2016 10.5841451453808 2017 10.2220400626408 2018 9.61848813101753 2019 9.15388276485926 2020 9.59175502544167 2021 8.39885371472662 2022 8.25376467972587