Percent change in import price indexes, all imports and petroleum imports, Mar. 1999.-Feb. 2000 All Petroleum imports imports Mar-99 0.2 13.9 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 6.5 Jan-00 0.3 3.0 Feb-00 1.9 13.9