Over-the-month percent change in price index for imports, April 2006–April 2007 (not seasonally adjusted) Percent change 2006 Apr 2.1 May 1.8 Jun 0.1 Jul 0.8 Aug 0.5 Sep -2.2 Oct -2.5 Nov 0.4 Dec 1.1 2007 Jan -1.2 Feb 0.4 Mar 1.5 Apr 1.3 Data may be revised in each of the three months after original publication.