Decides also, as an ad hoc arrangement, to apportion the additional amount of 11,077,300 dollars gross (10,309,500 dollars net) for the period ending 20 April 1998 among Member States, taking into account the amount of 24,351,780 dollars gross (22,902,270 dollars net) already assessed for the same period under the terms of General Assembly resolution 51/2 B, in accordance with the composition of groups set out in paragraphs 3 and 4 of 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 year 1997, as set out in its resolution 49/19 B of 23 December 1994 and its decision 50/471 A of 23 December 1995, and the scale of assessments for the year 1998, as set out in its resolution 52/215 A of 22 December 1997;