data size or backup size of a SQL policy in opscenter

Hi experts,

symantec opscenter analytics. Version 7.5.0.1.

Q1) i need to customize a report which displays data size or backup size  of a SQL policy only full backup schedule.  please suggest how to configure it.

Q2) i need to customize a report which displays data size or backup size of an individual client. 

Q3) i need to customize a report which displays data size or backup size of a group of clients. They are not in a single policy. but need their data size for a week.