Mass layoff events in May, 1995-2008 (seasonally adjusted)	

1995	1,502 
1996	1,005 
1997	1,229 
1998	1,248 
1999	1,278 
2000	1,196 
2001	1,676 
2002	1,730 
2003	1,744 
2004	1,224 
2005	1,248 
2006	1,124 
2007	1,199 
2008	1,626