Year % of total employment (modeled ILO estimate) 1991 4.740113809847062 1992 4.605998182444181 1993 4.6124653971360665 1994 4.245885343876875 1995 4.098281020058067 1996 4.181538941038477 1997 3.923267343509681 1998 3.5912680828886585 1999 3.4675566265490234 2000 3.3330302735616884 2001 3.224917248901106 2002 3.21596343380208 2003 3.1334993003321228 2004 3.062696479400801 2005 3.006894982838335 2006 2.9364148152689715 2007 2.854519416902301 2008 2.7981876346520247 2009 2.8334111165636413 2010 2.7979085052708634 2011 2.758575250307463 2012 2.7388047604593933 2013 2.732635404924468 2014 2.582760233111513 2015 2.799199813685848 2016 2.7808542750516367 2017 2.7618670088218003 2018 2.7883845939613114 2019 2.480738028620986 2020 2.1781128611449145 2021 1.8319185648751701 2022 1.7660449548992958