Number of mass layoff events in May of each year, 1995-2003 May 1995 1,194 May 1996 942 May 1997 1,152 May 1998 1,180 May 1999 1,032 May 2000 984 May 2001 1,434 May 2002 1,726 May 2003 (p) 1,699 p=preliminary