"To aggregate this information" means to collect or gather different pieces of information together in one place or group them together for a specific purpose. Full definition
We gather aggregate information from the web site which may include but is not limited to: number of page visitors, most visited pages, and any and all correspondence. (roebuckauctions.com)
Third parties are not entitled to use collected data other than for general reporting of aggregate information. (datingbits.com)
This page is intended to provide aggregate information to families and schools to support data driven decisions. (myschooldc.org)