Finding Usage Overlap

Hello EE,

I have a set of usage data that I need to group by unique usage.  For example in my data, I need to know how many customer are contacting the help desk by using phone and mail format. In my data I can have customer who are using both mail and phone, phone only or mail only.  In the attached example, I need to group my data like below

Mail_Only        Phone_Only      Phone_Mail
     21                    2                      3

The data is in the data tab

Thanks in advance for your help
testdata.xlsx