Hi @RoyTosch !
I don't know any direct ways to do so, you could always use a SharePoint list (or even an Excel file directly though I would recommend SharePoint regarding the data integrity and versionning) and store the result within your approval flow.
The list would look like that :

The flow like that :

The approval would give you that :

and the upload in the SharePoint list :

Let me know if it helps you.
T