Which preposition to use with paucity

of Occurrences 65%

The troopers, too tipsy and subdued to remark the sudden paucity of the force that had overcome them, were tied upon their own steeds, Barney in front of the leader, and Rafe and his son in charge of the two others.

to Occurrences 1%

I saw no reason for imputing their paucity to the present professors.'

Which preposition to use with  paucity