Year % of total labor force 1992 0.4066501946227831 1993 0.41117203766993743 1994 0.5017083168187679 1995 0.9549701973238862 1996 1.0483073671291718 1997 0.6937087468108667 1998 0.7522237397652507 1999 0.8377822971724627 2000 0.7757923578063878 2001 0.9105726591453365 2002 0.7759550267169343 2003 0.7355605379944261 2004 0.45396520447500743 2005 0.45684963799234685 2006 1.515344647312447 2007 1.494420099071262 2008 0.4344339282471547 2009 0.5195225637375963 2010 0.4339716805175961 2011 0.5177110398250427 2012 0.5106245486357862 2013 0.5199790441590489 2014 0.5274984651880815 2015 0.5257915093087872 2016 0.5287943985635913 2017 0.6002106739465553 2018 0.6898323707339117 2019 0.6067543898680107 2020 0.9103921261196558