Get Total No of records

Hi,

i'm exporting some data to Excel from ax2012 using Excel Exporter. 

I've export 10 reports. Now i've another report in which i've to show only the total amount data contains in these reports.

I.e

ReportA: 105

ReportB: 10

ReportC: 40

ReportD: 45

ReportE: 34

Now how it can be possible. Kindly do share your knowledge.

Regards,

Zohan