The information you're looking for is in the ReportServer database:
SELECT B.Name, COUNT(A.TimeStart) FROM ExecutionLog A
INNER JOIN [Catalog] B ON A.ReportID = b.ItemID
WHERE b.Name = 'YourReportNameHere'
In my previous Article (http://www.experts-exchange.com/Database/Reporting/A_15199-Introduction-to-Microstrategy.html)I discussed some basic understanding of Microstrategy that how we can get in Intro of Microstrategy (MSTR).
Now it's tim…