Over-the-month percent change in price index for imports, September 2004–September 2005 (not seasonally adjusted) Percent change 2004 Sep 0.5 Oct 1.6 Nov -0.3 Dec -1.4 2005 Jan 0.6 Feb 0.9 Mar 2.2 Apr 0.9 May -0.8 Jun 1.2 Jul 1.2 Aug 1.2 Sep 2.3 Data may be revised in each of the three months after original publication.