Year % of total labor force 1991 0.8728978573972239 1992 0.9627741783600039 1993 0.8819071980569079 1994 0.845484230339682 1995 1.1241695062872938 1996 1.0769841988958033 1997 1.0288327570077993 1998 1.018990255803284 1999 0.9767675697463414 2000 0.9638614630295195 2001 0.9393341958784073 2002 0.9147622673753757 2003 0.9021791849154358 2004 0.8891495158334425 2005 0.8866494528589915 2006 0.8643276267462813 2007 0.7980887747500571 2008 0.792623599763621 2009 0.8033126090000107 2010 0.7994406136261515 2011 0.7908333364863983 2012 0.7931113533976277 2013 0.7841517914861901 2014 0.7848414437497993 2015 0.7915239754019683 2016 0.7884752135851024 2017 0.7878915921896356 2018 0.7905332161112553 2019 0.7753069187144976 2020 0.7841345063086217