statistical releases federal reserve system basic economics dictionary fall 1997 251 standard & poor s dri foreign exchange rates g 5 synopsis database data units as noted below not seasonally adjusted source release and the bulletin table 3 28 series start date description name monthly currency per us dollar australia cents australian exraus jan 47 belgium belgian franc exrblg canada canadian exrcan denmark danish krone exrden france exrfr 50 ireland pound exrirl 52 italy lira exritl japan yen exrjan 57 netherlands guilder exrnet norway exrno south africa rand exrsaf sweden krona exrswd switzerland swiss exrsw united kingdom exruk germany deutsche mark exrger 51 weighted average value of 1973 100 exvus 67 252 selected interest