Percent change in import price indexes, all imports and petroleum imports, Apr. 1999-Mar. 2000 All imports Petroleum imports Apr-99 1.1 20.3 May-99 0.7 7.3 Jun-99 -0.1 0.4 Jul-99 1.0 13.5 Aug-99 1.1 11.7 Sep-99 1.0 8.3 Oct-99 0.2 1.7 Nov-99 0.8 4.1 Dec-99 0.6 6.3 Jan-00 0.4 3.7 Feb-00 2.0 14.4 Mar-00 0.3 0.2