Year % of total employment (modeled ILO estimate) 1991 7.83710997239875 1992 7.46591978986178 1993 7.71043560630978 1994 7.73128862282057 1995 7.10056053094213 1996 6.97223785961897 1997 7.6281476107749 1998 8.30567491480219 1999 10.3594121788416 2000 10.8738237598741 2001 14.3897199440127 2002 12.2382803496008 2003 11.4400920631239 2004 8.52779810789086 2005 10.4244484624074 2006 11.0297780606411 2007 9.67320372078851 2008 9.89386022207708 2009 10.2211830131446 2010 9.54619467873775 2011 9.55361772911156 2012 8.0377700484985 2013 8.45913803722717 2014 8.05973757253879 2015 7.81339133415951 2016 6.25258759566418 2017 5.51625723506975 2018 4.85365246228258 2019 4.82720165967511 2020 3.75253385831273 2021 3.48352684879448 2022 3.07308595160708