Decides also as an ad hoc arrangement, and taking into account the amount of 21,053,745 dollars gross (20,580,245 dollars net) already apportioned in accordance with its resolution 52/245 and the amount of 12,315,418 dollars gross (11,920,452 dollars net) apportioned in accordance with its resolution 53/20 A, to apportion among Member States the additional amount of 9,693,537 dollars gross (9,503,903 dollars net) for the period from 1 July 1998 to 30 June 1999 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 and 50/451 B of 23 December 1995, and taking into account the scale of assessments for the years 1998 and 1999, as set out in its resolution 52/215 A of 22 December 1997;