Number of separations due to extended mass layoff events in private nonfarm economy in fourth quarter of each year, 1995-2004 1995 IV 288,589 1996 IV 310,045 1997 IV 268,461 1998 IV 275,272 1999 IV 240,060 2000 IV 332,973 2001 IV 459,771 2002 IV 373,307 2003 IV 325,333 2004 IV (p) 236,637 p = preliminary