Year	% of total labor force
1991	1.8579362490050753
1992	1.8386516946484939
1993	1.8559417976652255
1994	1.7936396104501748
1995	1.8541024290141144
1996	1.8095793069283959
1997	1.7559031712083106
1998	1.766154956788475
1999	1.791085903235436
2000	1.6420394129508848
2001	1.6108979846886744
2002	1.6480135456081104
2003	1.6735906719836218
2004	1.6581662358229117
2005	1.6510855954045227
2007	1.5858748150833226
2008	1.5725609367362985
2009	1.5181888440960483
2010	1.5194919536632305
2011	1.4707208092258404
2012	1.4794653694652298
2013	1.4792202968786419
2014	1.4477658043974535
2015	1.4606818313563907
2016	1.460241832112927
2017	1.265578116083427
2018	1.273656292611295
2019	1.2618940685816482
2020	1.3060107959601526
