Over-the-month percent change in price index for exports, August 2006–August 2007 (not seasonally adjusted) Percent change 2006 Aug 0.4 Sep -0.4 Oct -0.3 Nov 0.4 Dec 0.6 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 Data may be revised in each of the three months after original publication.