consolidating multiple rows of similar data

I'm using the Excellent Analytics plugin which pulls data into Excel from Google Analytics and getting a result to one of my queries that's formatted like this:

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How would I go about summing together the visits for any particular month (must be in the same year) regardless of the Path value?
Any help would be appreciated.
Edit: I'm using Excel 2007.

Push the data into a Pivot Table.

Set Year, Month as Row Labels and Visits as Data Field set to SUM.