The Usage Summary section provides a list of Key Statistics for the selected quarter, compared to a previous quarter, and the percentage of change. The scores to compare with peers, key statistics for...The Usage Summary section provides a list of Key Statistics for the selected quarter, compared to a previous quarter, and the percentage of change. The scores to compare with peers, key statistics for the quarter compared to a previous quarter, and the percentage of change. Click the Score History tab to see the details of the changes in your Visibility and Control scores over the quarter (three months).