Year % of total employment (modeled ILO estimate) 1991 6.92343319737338 1992 6.74746859096157 1993 6.468050935217853 1994 6.357262490888233 1995 6.222988833749273 1996 5.998451316540945 1997 5.848678678743861 1998 5.752431640992485 1999 5.55290483849801 2000 5.306014601662539 2001 5.0930743489260335 2002 4.928623232958061 2003 4.793387215704285 2004 4.582115530666032 2005 4.443393580387846 2006 4.251135447752059 2007 4.069382494054688 2008 3.8755273413479117 2009 3.8794983833563292 2010 3.8475244586503874 2011 3.7444176828333036 2012 3.6722461361967795 2013 3.5523491789334853 2014 3.4576457697699396 2015 3.4359474830596586 2016 3.3925016803234405 2017 3.3285736286763887 2018 3.2688911633235906 2019 3.213744708841313 2020 3.219298251140786 2021 3.1820999113237405 2022 2.692761516703553