Skimming through Fratianno's book, the best I could find was this:

"Roselli dropped listlessly into a chair. 'Have I told you they've reduced the commission to six bosses: Chicago and the five New York families? They've dropped the oldtimers, like Maggadino, Scalish, Zerilli and Bruno. Which means Chicago's got a lot more fucking power now'".

That was around 1975-1976.