Over-the-month percent change in price index for imports, January 2007-January 2008 (not seasonally adjusted) Percent change 2007 Jan -1.2 Feb 0.4 Mar 1.6 Apr 1.4 May 0.9 Jun 1.2 Jul 1.2 Aug -0.3 Sep 0.6 Oct 1.5 Nov 3.1 Dec -0.2 2008 Jan 1.7 Data may be revised in each of the three months after original publication.