Percent change in import price indexes, petroleum imports, June 1999-June 2000 Petroleum imports (Percent) Jun-99 0.4 Jul-99 13.5 Aug-99 11.7 Sep-99 8.3 Oct-99 1.7 Nov-99 4.1 Dec-99 6.3 Jan-00 3.5 Feb-00 14.9 Mar-00 -0.8 Apr-00 -11.8 May-00 4.8 Jun-00 7.0