NORWEGIAN CENTRAL BANK RESERVES FALL IN MAY Norway's central bank reserves totalled 73.71 billion crowns in May against 76.06 billion in April and 95.02 billion in May 1986, the Central Bank said in its monthly report. Foreign exchange reserves totalled 70.3 billion crowns, compared with 68.4 billion in April and 88.0 billion a year ago. Gold reserves were unchanged from April's 284.8 mln crowns, and also unchanged from the year-ago figure. Central Bank special drawing right holdings were 3.16 billion crowns, compared with 3.06 billion in April and 2.51 billion in May 1986.