Year	% of total labor force
1991	0.8343337283819077
1992	0.7684782590973769
1993	0.7677387938012336
1994	0.7194110206311407
1995	1.2257317725803685
1996	1.2352261133172668
1997	1.2652671392005488
1998	1.2269453557108976
1999	1.2749161021176811
2000	1.2475656478031691
2001	0.9908534014313087
2002	1.0211901525808822
2003	0.9972537008186767
2004	0.9211513411034944
2005	0.9048764634292485
2007	0.8642661607322513
2008	0.8626221834380501
2009	0.9028165137137345
2010	0.9199207776978382
2011	0.9633975637965565
2012	0.9456080470183648
2013	0.9113913410981052
2014	0.8525390856801001
2015	0.8338882032357745
2016	0.7808514375157147
2017	0.7433236483116352
2018	0.7132811853189648
2019	0.7047504156645468
2020	0.6225879017022742