Over-the-month percent change in price index for imports, December 2004–December 2005 (not seasonally adjusted) Percent change 2004 Dec -1.4 2005 Jan 0.6 Feb 0.9 Mar 2.2 Apr 0.9 May -0.8 Jun 1.2 Jul 1.2 Aug 1.4 Sep 2.1 Oct 0.1 Nov -1.8 Dec -0.2 Data may be revised in each of the three months after original publication.