Over-the-month percent change in price index for imports, December 2006-December 2007 (not seasonally adjusted) Percent change 2006 Dec 1.1 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 1.4 Nov 3.3 Dec 0.0 Data may be revised in each of the three months after original publication.