Several Google AdWords advertisers who leverage the AdWords Express ad system are reporting in a Google Advertising Help thread that the numbers on their dashboard are off.
Instead of showing any numbers, it shows zeros. It shows "0 views, 0 clicks, no activity" said one advertiser. Many others have confirmed this to be an issue.
Google's Cassie H. also confirmed it saying "I've been able to confirm that this is a known issue, and our technical team is working on it now." Cassie said she will update the thread when it is resolved.
Here is what the dashboard should look like:
Forum discussion at Google Advertising Help.
Update: This bug has been fixed on July 12th.