Year % of total employment (modeled ILO estimate) 1991 27.6612846123979 1992 27.5294094455204 1993 27.3138773857268 1994 27.0248330385602 1995 26.6321803906116 1996 26.6163482233648 1997 26.2888230020426 1998 25.9107792574161 1999 25.3576537580149 2000 24.7671786381443 2001 24.0923486105208 2002 23.5297595011768 2003 22.834308744321 2004 22.2211980207511 2005 22.5948344799722 2006 21.7143596803102 2007 20.783857258168 2008 29.8119679175293 2009 28.0820003934019 2010 26.3902513640781 2011 31.4085118690887 2012 36.2736666553393 2013 33.7639683784644 2014 31.9010977996323 2015 29.6949196943478 2016 23.7599027904201 2017 22.6559780434183 2018 21.4867219830053 2019 22.0283202024124 2020 21.7233162759504 2021 21.1212089103343 2022 20.6885016214855