Which preposition to use with enrollment

of Occurrences 8%

Here are a few of them, taken from Mr. Davison's official statement: NEARLY 28,000,000 WORKERS The Red Cross in America has a membership of 20,648,103, and in addition, 8,000,000 members in the Junior Red Crossa total enrollment of more than one-fourth the population of the United States.

in Occurrences 2%

A lodge, or a Grand Lodge, may affix the period according to its discretion; but the general custom is, to require a signature of the bye-laws, and a consequent enrollment in the lodge, within three months after receiving the third degree.

among Occurrences 1%

To the people he paid the one thousand one hundred and twenty-five myriads (this was the amount bequeathed to them) and in addition the sixty denarii per man which they had failed to receive on the occasion of his enrollment among the iuvenes,this with interest amounting to fifteen denarii more.

Which preposition to use with  enrollment