Over-the-month percent change in price indexes for imports, January 2006-February 2007 (not seasonally adjusted) Percent change All imports Petroleum imports Nonpetroleum imports 2006 Jan 1.2 5.8 0.3 Feb -0.8 -1.0 -0.7 Mar -0.1 0.6 -0.3 Apr 2.1 11.3 0.1 May 1.8 6.4 0.7 Jun 0.1 -1.1 0.4 Jul 0.8 3.6 0.0 Aug 0.5 1.0 0.5 Sep -2.2 -11.0 0.1 Oct -2.5 -10.4 -0.6 Nov 0.4 -1.6 1.0 Dec 1.1 4.3 0.5 2007 Jan -0.9 -5.3 -0.1 Feb 0.2 2.0 -0.1 Data may be revised in each of the three months after original publication.