Year % of total employment (modeled ILO estimate) 1991 1.3998271177026225 1992 1.406883883788267 1993 1.4231273475681832 1994 1.4512164135160364 1995 1.481287423000312 1996 1.5199380833379545 1997 1.5610845973320193 1998 1.601862305322923 1999 1.6482729573233013 2000 1.6782712394785528 2001 1.6982115086979375 2002 1.7064480411288134 2003 1.701144412096045 2004 1.7097143053185113 2005 1.7159957301871804 2006 1.731767443502441 2007 1.713408802923899 2008 1.6671841780894054 2009 1.560468242227139 2010 1.6617051660055118 2011 1.7520849445089914 2012 1.8226499035228825 2013 1.8623617015642515 2014 1.906833852149358 2015 1.919827582193416 2016 1.9637863015126653 2017 1.998973382391714 2018 2.0411622239205363 2019 2.0712184456068394 2020 2.092474418020397 2021 2.1112205458359234 2022 2.1050722775430355