Just a few weeks later Apple automated this process:
Thank you for your patience. Apple has launched a new online service
which allows you to directly request your account information. Please
visit this visit this site to continue your request:
Get a copy of your data
Download a copy of your data from Apple apps and services. This may
include your purchase or app usage history, and the data you store
with Apple, such as calendars, photos, or documents.
Correct your data
If you believe that any personal information stored by Apple is
incorrect, you can request that we update it.
Deactivate your account
Temporarily deactivate your account and restrict access to your data.
You will not be able to access your account or any Apple services
while your account is inactive.
Delete your account
Permanently delete your account and associated data from all Apple
It takes some days until you receive download link:
Your data request is in progress.
This data is being prepared for download. When it is ready we will
notify you at email@example.com. This process can take up to seven days.