Over-the-month percent change in price index for imports, March 2008-March 2009 (not seasonally adjusted) Percent change 2008 Mar 3.1 Apr 2.8 May 2.8 Jun 3.0 Jul 1.4 Aug -3.1 Sep -3.6 Oct -6.0 Nov -7.4 Dec -4.6 2009 Jan -1.2 Feb -0.1 Mar 0.5 Data may be revised in each of the three months after original publication.