Year % of total labor force 1991 0.9606852072570199 1992 0.896858673866697 1993 0.8905108373096919 1994 0.8085765085611704 1995 1.4029665721660514 1996 1.4116483949799732 1997 1.377966924063784 1998 1.3307728365700033 1999 1.3640363375568663 2000 1.357617433102503 2001 1.1116119274224596 2002 1.1578582402181068 2003 1.1235861453255953 2004 1.0367463214320993 2005 1.0054208779901168 2007 0.9661047254911339 2008 0.9604794635547758 2009 0.9963132530040538 2010 1.0232815669144857 2011 0.9967451473848148 2012 0.9814574749313145 2013 0.9496062047263504 2014 0.9084046359653306 2015 0.898837942900994 2016 0.866025349285516 2017 0.8150153322271648 2018 0.788764328399702 2019 0.8049123655986993 2020 0.7040416841342659