Over-the-month percent change in price index for exports, January 2007–January 2008 (not seasonally adjusted) Percent change 2007 Jan 0.4 Feb 0.8 Mar 0.7 Apr 0.4 May 0.3 Jun 0.4 Jul 0.1 Aug 0.2 Sep 0.3 Oct 0.8 Nov 0.9 Dec 0.4 2008 Jan 1.2 Data may be revised in each of the three months after original publication.