To view the reports on disk space and traffic usage by your account, perform the following steps:

1 – Logged in to Plesk.
2 – Go to Statistics.
3 – The following information is presented in charts:

Disk space used by the following files and directories in the subscription:
Websites
Mail accounts
Databases
Logs
Backups
Anonymous FTP directory

Traffic used by FTP, web, and mail services during the current month.
FTP field – shows the information about the total size of files transferred to and from the subscription over the file transfer protocol.
HTTP field – shows the information about the total amount of data transferred from all of your websites over HTTP protocol, that is, retrieved by web browsers.
POP3/IMAP field – shows the total amount of data received by all mail accounts under your domains.
SMTP field – shows the total amount of data sent by all mail accounts under your domains.

This is where you view detailed reports on how resources provided with your subscription are used. If you are subscribed to several plans, you can view reports for each of your subscriptions.