Mass layoff events, seasonally adjusted, December 2004-December 2005 Dec-04 1,188 Jan-05 1,465 Feb-05 1,135 Mar-05 1,204 Apr-05 1,278 May-05 1,194 Jun-05 1,184 Jul-05 1,248 Aug-05 1,145 Sep-05 2,219 Oct-05 1,114 Nov-05 1,205 Dec-05 1,308 Data for November and December 2005 are preliminary.