Reporting on what content activity to deals

Reporting on what content activity to deals

I have salesIQ set-up with CRM. Tracking looks good. If I look at a contact who initiated a deal I can see their activity and understand what content and campaigns contributed to the deal. 

What I would like to do is understand that on aggregate: If I look at a period of time can I see what content / campaigns contributed the most business. 

The data is there. I just can't work out how to report on it.  

Can anyone guide me in the right direction?