Over-the-month percent change in price index for imports, May 2007-May 2008 (not seasonally adjusted) Percent change 2007 May 0.9 Jun 1.2 Jul 1.2 Aug -0.3 Sep 0.6 Oct 1.5 Nov 3.2 Dec -0.2 2008 Jan 1.5 Feb 0.2 Mar 3.0 Apr 2.4 May 2.3 Data may be revised in each of the three months after original publication.