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Confidentiality. You agree not to disclose Google Confidential Information without Google's prior written consent. "Google Confidential Information" includes without limitation: . . . (b) click-through rates or other statistics relating to Site performance in the Program provided to You by Google. . . However, You may accurately disclose the amount of Google’s gross payments to You pursuant to the Program.
Knappster is right about the ToS. In the future, please refrain from disclosing statistics other than gross earnings.
If you haven't done so already, I recommend visiting the AdSense Tips page which will give you some ideas for optimizing your site:
Hope that helps,