The Spreadsheet report - Stock - Sales per period will list the total sales amount excluding as well as including tax (VAT/GST/ Sales tax) for each of the selected periods. 

To import Sales per period into a spreadsheet: 

  1. On the Reports ribbon, select Spreadsheet reports → Sales analysis → Sales per period. 
  2. On the parameters ("Params") screen, select the period and click OK. The total sales amount, excluding as well as including tax (VAT/GST/ Sales tax), for each period will be listed in the spreadsheet: