Year % of total employment (modeled ILO estimate) 1991 2.91742297542743 1992 2.85026414318404 1993 2.56126353589015 1994 2.29653507406997 1995 2.39468815508898 1996 2.5783880058964 1997 2.0271547413651 1998 1.76114211451724 1999 1.76082039475984 2000 1.67816885177255 2001 1.52224980967865 2002 1.49826271698838 2003 1.06874004066157 2004 1.02349407862912 2005 1.38336170385896 2006 1.44307322025128 2007 2.34939549031031 2008 2.31012913958191 2009 2.18747707716964 2010 2.15564165566479 2011 2.01705386904408 2012 1.9243051781736 2013 1.8418679519046 2014 2.01384748561077 2015 1.60828087217445 2016 1.50737100651313 2017 1.36368103881444 2018 1.23550517841865 2019 1.07680149474801 2020 1.20572792427925 2021 1.15438444311444 2022 1.10790784059576