Year % of total employment (modeled ILO estimate) 1991 12.227857910371215 1992 11.991462205694967 1993 11.773632330304611 1994 11.498385407403651 1995 11.262795464947361 1996 11.130772375543364 1997 10.94880860730936 1998 10.613229092163786 1999 10.865550308373866 2000 10.712312654908086 2001 9.983343654659992 2002 10.010058071875235 2003 10.189063186793106 2004 10.597118167077362 2005 10.039533162952527 2006 9.35547978854679 2007 9.246505382952886 2008 8.540307029719969 2009 7.962380885417152 2010 7.517647466463156 2011 7.353377117347244 2012 6.886966002153216 2013 7.1987016448082395 2014 7.269410676800248 2015 7.095886524178718 2016 5.672234707570026 2017 5.40589696605186 2018 5.148943795659108 2019 4.781648250174134 2020 4.547020690690135 2021 4.463228731885911 2022 4.292147933963656