Year % of total labor force 1991 1.246108345226529 1992 1.3041060767786525 1993 1.2345039882443363 1994 1.4047954096102455 1995 1.3969449421482583 1996 1.4629567168000261 1997 1.3709007973940133 1998 1.389932218034826 1999 1.367395905525799 2000 1.3588171554730715 2001 1.3580654702646962 2002 1.3330206400485234 2003 1.1486589883329066 2004 1.1866755475933455 2005 1.1775359566302113 2006 1.2029446581550813 2007 1.1908509895599582 2008 1.1782353422000453 2009 0.9316333596893217 2010 0.9325380156263127 2011 0.9282010498325154 2012 0.9256609126350122 2013 0.9306311279733199 2014 0.9292723388706814 2015 0.9222830245845838 2016 0.8980161635487818 2017 0.9203828350810177 2018 0.9164262865970474 2019 0.9786668744823486 2020 0.7996885576562729