(*) Senate Candidate

(^) Approximate mention spend calculated by dividing the average of Facebook’s reported spend bounds for ads mentioning a candidate by the average of these bounds for all ads (by advertiser), then multiplying this “mention spend proportion” by total spend.

(+) As aggregated from the Facebook daily reports. These totals may differ from the totals reported elsewhere in this release; please see the "About the Data" section for more information.