private void addKnownRates() {
final Date maxDate = Date.maxDate();
// currencies obsoleted by Euro
add(new ExchangeRate(
new EURCurrency(),
new ATSCurrency(), 13.7603),
new Date(1, Month.January,1999),
maxDate);
add(new ExchangeRate(
new EURCurrency(),
new BEFCurrency(), 40.3399),