Year % of total employment (modeled ILO estimate) 1991 5.72833414116634 1992 5.59623870243148 1993 5.45676814043426 1994 5.18697389951072 1995 4.89016167184107 1996 4.82314712036043 1997 4.63716495319154 1998 4.41066042054405 1999 4.24285712491927 2000 4.14289723126155 2001 4.07014679512181 2002 4.13128978526024 2003 4.25404062239679 2004 3.87372024626564 2005 3.59552058839304 2006 3.67409028621088 2007 3.42680838382865 2008 2.75954063870578 2009 2.94919344613527 2010 2.91628929520462 2011 2.92935585936807 2012 2.93520140574329 2013 3.07468625152551 2014 2.84532893990899 2015 2.74492924811886 2016 2.87190030699713 2017 2.60567145894032 2018 2.4966501907483 2019 2.51529636718206 2020 2.35004534001808 2021 2.49128584996193 2022 2.58752314237412