Displaced workers, by reason for job loss, 2003-05 Percent Plant or company closed down or moved 49.0 Position or shift abolished 22.2 Insufficient work 28.8 Data refer to persons who had 3 or more years of tenure on a job they had lost or left between January 2003 and December 2005 because of plant or company closings or moves, insufficient work, or the abolishment of their positions or shifts.