Colombia: Reserve Tranche Position from January 01, 1999 to December 31, 1999 (in SDRs) Date SDR Amount December 31, 1999 285,802,575 November 30, 1999 285,802,575 October 31, 1999 285,802,575 September 30, 1999 285,802,575 August 31, 1999 305,502,575 July 31, 1999 360,002,575 June 30, 1999 360,002,575 May 31, 1999 377,502,575 April 30, 1999 422,502,575 March 31, 1999 434,270,375 February 28, 1999 435,901,625 January 31, 1999 392,626,625