Timestamp in exported CSV data file

Please add the time stamp of the subscriber in the data export function, e.g. CSV. This is important for GDPR reasons, if we have to provide evidence from customers, lawyers or the data protection authority. And it is also very important when I transfer my data to Mautic or other marketing systems. Everyone who works with subscriber lists must know when the entry was made and when the subscriber entered the list. This is extremely important for MailPoet customers, at least in Europe, in order to ensure complete documentation, including protection against warnings. However, it generally does no harm to have this function, as a professional mailing system should be able to do this. The date is displayed in the WordPress backend, but I can’t add it when exporting, like IP address. The function should be included in the next update, because it is no big deal to implement this. Thanks a lot