Easiest way to create a graphical representation of Application Usage Report? I have several mac users who claim they need all 3 major browsers for testing websites and they need Admin privileges to keep them updated. (My Company doesn't support but Safari.) 

I have run an Application Usage report for the last year on these users to pull what applications where used, how long, etc etc..

I have the data in Excel and I am trying to 'pie' chart the data so I can see what application they are really using the most. I have already split each user up into individual sheets. Has anyone else solved this problem (using Excel or even another tool)?
Presuming that you want to have a pie chart for each user, and you want to group by application, and by time spent with each, I would recommend using Excel to do so. In a nutshell:


Create a PivotChart for each user, with the data grouped as you prefer. In my exercise, I selected Application and Time. Highlight the columns, with the top row being the header, and select Insert | PivotChart. Check the fields to add to the report, in this case Application and Time.
You can configure your chart to your liking. I tend to add value labels to my pie chart slices.


You can see my crude, 5 minute example below.