Over-the-month percent change in price index for exports, March 2007–March 2008 (not seasonally adjusted) Percent change 2007 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 0.5 2008 Jan 1.2 Feb 1.1 Mar 1.5 Data may be revised in each of the three months after original publication.