Number of mass layoff events in January-June of each year, 1996-2002 Events Jan.-Jun. 1996 6,600 Jan.-Jun. 1997 7,336 Jan.-Jun. 1998 7,733 Jan.-Jun. 1999 7,810 Jan.-Jun. 2000 7,470 Jan.-Jun. 2001 9,541 Jan.-Jun. 2002 (p) 9,779 p = preliminary Note that the data for June 2002 do not include Arizona.