Decides also, as an ad hoc arrangement, taking into account the amount of 33,367,875 dollars gross (32,572,675 dollars net) already apportioned under the terms of its resolution 53/238, to apportion among Member States the additional amount of 7,730,200 dollars gross (7,496,600 dollars net) for the period ending 30 June 2000, in accordance with the composition of groups set out in paragraphs 3 and 4 of General Assembly resolution 43/232 of 1 March 1989, as adjusted by the Assembly in its resolutions 44/192 B of 21 December 1989, 45/269 of 27 August 1991, 46/198 A of 20 December 1991, 47/218 A of 23 December 1992, 49/249 A of 20 July 1995, 49/249 B of 14 September 1995, 50/224 of 11 April 1996, 51/218 A to C of 18 December 1996 and 52/230 of 31 March 1998 and its decisions 48/472 A of 23 December 1993, 50/451 B of 23 December 1995 and 54/456 to 54/458 of 23 December 1999, and taking into account the scale of assessments for the year 2000, as set out in its resolutions 52/215 A of 22 December 1997 and 54/237 A of 23 December 1999;