(Republished to clarify time period of data in fifth paragraph)

Trading specialists work on the floor of the New York Stock Exchange trading shares of Goldman Sachs, in New York, April 14, 2009. REUTERS/Chip East Patriotism, as Dr Johnson once observed, is the last refuge of a scoundrel. So when you hear words like "duty" drip from the lips of a senior executive at Goldman Sachs, you instinctively count the spoons.