Year	% of total labor force
1991	0.7834546700261356
1992	0.7457018198695888
1993	0.7088442189685366
1994	0.664503797524231
1995	0.876642985892023
1996	0.8584078185832223
1997	0.791705786124371
1998	0.8004091813238458
1999	0.7861766622506409
2000	0.7853665295546592
2001	0.7549706632489755
2002	0.751828004442143
2003	0.7479320369975763
2004	0.7174097400774233
2005	0.7296040899180891
2006	0.7113986254645606
2007	0.6369452135224289
2008	0.6338820207550324
2009	0.6465866402472793
2010	0.6468583855805499
2011	0.6537142726328241
2012	0.6524979379413001
2013	0.6507977941039463
2014	0.6473899390021398
2015	0.6312569781498085
2016	0.6247447734831888
2017	0.62368974295112
2018	0.6214133672690554
2019	0.6051613937085356
2020	0.6090572694847911