What aggregate to has to show for april month gstr-1

While uploading  outward supplies  of  April 2018-details through GST OFFLINE TOOL & GSTR-1 Retunr ,these screens showing  Aggregate Turnover in the preceding Financial Year & Aggregate Turnover- April to June, 2017 . Now, which information to be updated  ?? Why we are required to fill in  Aggregate Turnover- April to June, 2017? If we have given Aggregate Turnover- April to June, 2017  then what Turnover will be given for previous financial year i.e.for 9months(July 17 to March 18) or 12months (April 17 to March 18)?