On the survey tab, you have the ability to export the data. Additionally, the option to export, based on filters applied is also available.
Summary Data - extracts the data on the Survey Overview tab. It's a collection of all aggregated data
Response Data - extracts the individual response data from all recipients
Two export file types are available, Excel Workbook (.csv) or PDF format. Simply select the option you'd like. The PDF format will show the graphical views as you see them on the survey page, the excel workbook will give you the option to view the data and analyse further.