Year	% of total labor force
1993	2.1021817503118894
1994	1.7496506530862672
1995	1.7808473736372645
1996	1.46277159227912
1997	1.2994874458506671
1998	1.2451914823513834
1999	1.1432096416306314
2000	1.22338083710172
2001	1.1507873562682145
2002	1.0706162934563155
2003	1.2207231204959024
2004	0.5264191235979461
2005	0.5416122636491126
2006	0.5008626395769329
2007	0.5203812120025348
2008	0.5180540890680801
2009	0.5049949616568387
2010	0.544330251066388
2011	0.5121810045755475
2012	0.50912145810863
2013	0.4544748232262658
2014	0.4679167591179618
2015	0.4717976148323377
2016	0.433285273530005
2017	0.4270288465412427
2018	0.4100368618438443
2019	0.4611298012143208
2020	0.5022982937485071