How to show current year in the one tab and last year sales in another tab WEBI Report

Hi EveryOne,

    I have small requirement like :i  have created one report that shows  the table heading  year.( FA2015)

sales id, and other obj..... below

but what they want  is they are using report level  filter based on selection ok.

eg:FA2015 it has selected from report filter.

so sales id,name, ....like

besides one more table heading FA2014 which contains sales id,another obj.....

HOW TO ACHIEVE THIS PLZ HELP ME.

Thanks in advance....